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Old 02-24-2010, 05:05 PM   #1
CoolCat82
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Default How much HP? 390 FE

Hey guys,

I was wondering how much hp can puch my engine out.
What do you think, do you have experience with a similar combo?

My list:
'68 390 FE bored 040 over
POrted and polished heads and intake, gasket match port also.
Compcams XE262 cam
Unilite ignition
Holley 600 carb
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Old 02-24-2010, 06:13 PM   #2
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Default Re: How much HP? 390 FE

The engine ratings from back then were before the with accessories ratings that they use now. Most of the 4v 390's were 300 hp. Because you have done a little head work and added a cam, you might be coming close to 300 hp. I don't want to hurt your feelings but without different heads and intake manifold, you're limited.
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Old 02-24-2010, 06:14 PM   #3
railroad
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Default Re: How much HP? 390 FE

I would guess about 340, since you did not mention an after market intake.
Ported and polished heads may or may not be worth much, depending upon
the work. The Holley 600 is on the small side for making big hp numbers.
I am guessing on the cam, probably less than .500 lift and about 288 duration.
It should be a strong engine, maybe 350.
This thread should go wild shortly. I know the 390s ran 300 to 330 in everything from trucks, station wagons, mustangs, Galaxies, and Fairlanes. I have one in a 67 Fairlane GT with 3x2, 4 sp, 3.50 gears, cast iron exh.
I just noticed your location. Good to hear from a Ford Fan from so far.
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Old 02-24-2010, 07:00 PM   #4
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Default Re: How much HP? 390 FE

The 390 was more of a work horse and less of a horsepower monster. The FE sound is sweet and the torque is glorious but super high HP is not one of its strong suits. You can eliminate over 120lbs of weight by using headers, an aluminum water pump and intake. That makes the engine feel more responsive for the weight.

The main problem with the 390 is that it is not a high revving engine. With the hydrolic lifters when you rev it over 5,000 rpm you run the risk of floating a valve and ruining the engine. You can use solid lifters and a precise cam with correctly matched springs to help greatly reduce this risk and rev to 6,000rpm or more. But it costs $$ to squeeze HP from an FE.

You can also find a 428 or 410 Mercury crank and stroke the engine. A mercury 410 engine is nothing more than a 390 with a 428 crank.

My guess is also about 350hp.
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Old 02-24-2010, 08:25 PM   #5
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Default Re: How much HP? 390 FE

I sent you a PM a short time ago but will restate some questions here.

My guess 280-340 Horse but too many unanswered questions.

Ford made heads from sicko smog heads for 352's in Hicups/Pickups to some decent 390 & 428 heads and then there were 428 CJ and 427 Low Med & Hiriser heads. Valve sizes were from 2.02 to 2.17 on the intake valves. So which heads you have can make alot of difference. Porting some small valve-smallport heads with a bg combustion chamber might not give you as much HP as an Edsel Machined chamber head that was a forerunner for 406 and LR heads. You need to state which head you have. The ID is between the exhaust outlets and should be something like C4AE---H or D2TE----C or similar.

Headers are a must to get the true HP output from an FE! are you using headers?

Intakes can also make a big difference. Only a few of the Cast Iron (CI) intakes had real HP potential but most Ford Aluminum intakes are OK. They also weight 55 LB less than a CI intake. The better aftermarket intakes (single 4V) are the Edelbrock Performer RPM & Edelbrock Streetmaster or the Blue Thunder manifolds. Which intake do you have?

Valvefloat (Hydraulics) can be an issue but you could make up for it by dialing in springs but then rocker shafts & stands may become necessary. Do you have any aftermarket cam components?

How about the pistons? dished or flattops with notches?

There are quite a few FE owners here on the HAMB and some are really professional with their knowledge. One even has a reputation for being the one of the best FE shops in existance!

I reguraly do a search on "FE" on HAMB to find out what's been posted recently.

Movin/on
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Old 02-24-2010, 08:44 PM   #6
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Default Re: How much HP? 390 FE

Will make decent torque but not high hp
way too small carb and need headers

I had a 390 12 to 1 pistons big cam. intake headers was running a 2 x4 bbl
had tons of work in it till it threw the rods threw the block at 6200 rpm 2 rods
best i got was fig..at 400 hp back in late 70s
did do 12.5 in a 69 mustang..
sounded mean as hell for its time
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Old 02-24-2010, 09:05 PM   #7
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Default Re: How much HP? 390 FE

They have been known to tear the bottom end out of them. The lower side walls of the block can move around with the mass of the heavy rotating assembly. That's why they crossbolted the main caps in the 427. Just in case I put a bottom end girdle in mine that helps reduce that risk. They don't cost much and add a good bit of extra support.
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Old 02-25-2010, 11:09 PM   #8
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Default Re: How much HP? 390 FE

Raced them for 30 yrs and never hurt the bottom end. My 390 ran consistent 12.70's
in my 4000 lb Ranchero and 11.60's with the 27. This was 35 yrs ago man. They're
known for long crankshaft life....crank sets high in the block. They had 360 HP
with stock 352's. I think stock 66-67 Fairlanes had 335 HP.
Good machine work is important with any engine build.
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Old 02-26-2010, 02:20 AM   #9
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Default Re: How much HP? 390 FE

Had one in my 67 mustang and drag raced it every weekend. Slicks, headers, and original traction masters and that's it best run 13.00 and it went to 6,000 every shift. They run fine and like people say aluminum intake, water pumps etc. drops a BUNCH of weight.
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Old 02-26-2010, 03:21 AM   #10
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Default Re: How much HP? 390 FE

In 1963 the 390 used in the law inforsment cars was rated 330 HP. I almost bought an x cop car 3 speed transmision it wouls do 90 mph in 2nd gear .I kept it a wk. end would have kept it but finance co. would not finance x police cars.
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Old 02-26-2010, 09:41 AM   #11
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Default Re: How much HP? 390 FE

Hello Hambers!

Thank you for these infos! They are very helpful!
I forgot to meniton I installed headers (Lake pipe) and I use Edelbrock Streetmaster intake. It will be reworked like the heads. Heads are: C8AE-H.

I have new pistons but they are original type. compression ratio was 9.4:1 to these pistions.

Valve lift of the Extreme Energy: .513, .520
.513
.520


James427: you mentioned the 428 crankshaft. My engine is disassembled now, and I could buy 428 crankshaft. What kind of connecting rod have I use than? Can I use the 390's pistons?
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Old 02-26-2010, 10:44 AM   #12
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Default Re: How much HP? 390 FE

I would curious what can do this engine in a 2700 lbs model A.
Rear end ratio is 2.41 and I have a 5 speed manual transmission out of a '88 f-150. Around 3.8 first gear ratio.
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Old 02-26-2010, 10:51 AM   #13
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by CoolCat82 View Post
I would curious what can do this engine in a 2700 lbs model A.
Rear end ratio is 2.41 and I have a 5 speed manual transmission out of a '88 f-150. Around 3.8 first gear ratio.
What it can do is put a big grin on your face! Good luck with your build.
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Old 02-26-2010, 11:20 AM   #14
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Default Re: How much HP? 390 FE

If you put a 428 crank in a 390, the pistons will be to far down in the block. 410 pistons (mercury) have the piston pin in a different location. But the rods are the same.
I've got a 410 i'm building at this time. So you'd have to buy new pistons to use a 428 crank. Also 428's were externally balanced so you'd have to get the proper Flywheel/flexplate balance.
428 cranks are between $400-600 used.

You can use the connecting rods but you would have to make sure you got the correct pistons for the rings. If it were me, i'd buy the rings & pistons together to avoid any problems.

Movin/on

Last edited by movin/on; 02-26-2010 at 12:48 PM. Reason: update for a question.
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Old 02-26-2010, 12:25 PM   #15
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Default Re: How much HP? 390 FE

Hi movin/on,

It seems I can get a 428 crankshaft.
I could use my old connecting rods and the piston rings?
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Old 02-26-2010, 12:51 PM   #16
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Default Re: How much HP? 390 FE

Lakes style headers look cool and are better than stock manifolds, but they are not condusive to making real power. A good set of 4 into 1 headers will be good for anywhere from 20-40 more horse than the lakes.
The Streetmaster is also not a great design manifold. A Performer RPM would be a much better choice. And if you really want to wake it up, use a set of aluminum heads, 11:1 pistons and a Victor intake!

As for bottom end problems - not a concern at all in a street strip car. Last forever.
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Old 02-26-2010, 06:16 PM   #17
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Default Re: How much HP? 390 FE

I rebuilt the original 300 H.P. 390 engine for my '61 Starliner and put it on the dyno.

.030 over, forged plat top pistons, mild hydraulic cam, Blue Thunder intake, Factory distributor, junkyard headers.

Made 350.6 H.P. at 5,200 r.p.m. Check it out.

http://www.youtube.com/watch?v=NfOEypAXpbQ
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Old 02-26-2010, 07:26 PM   #18
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Default Re: How much HP? 390 FE

390 motors in the '68-'69 T birds were rated @ 345 ponies... Wasn't there 3 x 2 version 390 rated @ 405 hp in '61 er '62??? Ya might want to look that one up.
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Old 02-27-2010, 12:14 AM   #19
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Default Re: How much HP? 390 FE

Need to correct my statement regarding 390 pistons with a 428 crank.

The piston pins on 410 pistons are higher up compared to the top compared to 390 pistons. So if you use 390 4V pistons with a 428 crank the top of the pistons would hit the valves for sure and maybe even the heads in the chamber.

So, never the less, you still can't use 390 pistons with a 428 crank.

I stated the reverse in my prior post. 410 pistons would be too low with a 390 crank and have extremely low Comp ratio.

Movin/on

Last edited by movin/on; 02-27-2010 at 12:15 AM. Reason: spelling
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Old 02-27-2010, 12:19 AM   #20
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by Deuces View Post
390 motors in the '68-'69 T birds were rated @ 345 ponies... Wasn't there 3 x 2 version 390 rated @ 405 hp in '61 er '62??? Ya might want to look that one up.
My best man had a brand new '62 Ford Galaxy with a 405 hp 390. It had 3 duces, three on the tree with overdrive. Fastest car I ever rode in. Doing 120 mph he would put it in Second.... in Overdrive.... and stump on it and you could hardly lean forward because of the gggggs. Ford said that they would do 180.... Oh by the way both back side windows were covered with Trophy Stickers.
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Old 02-27-2010, 12:32 AM   #21
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Default Re: How much HP? 390 FE

Sweeeet! I'll try and dig up some info on the 405/390 and post it on this thread.
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Old 02-27-2010, 12:38 AM   #22
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by wfo guy View Post

The engine ratings from back then were before the with accessories ratings that they use now. Most of the 4v 390's were 300 hp. Because you have done a little head work and added a cam, you might be coming close to 300 hp. I don't want to hurt your feelings but without different heads and intake manifold, you're limited.
--------------------------
I'd probably use a bit bigger carb too. If you're talking about Holleys, either a 735 cfm (stock 428 CJ) carb, or a 780 cfm vacuum secondary carb would be good choices.

Mart3406
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Old 02-27-2010, 01:02 AM   #23
Deuces
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Default Re: How much HP? 390 FE

Sorry guys! I was wrong.... There was a Z code 390 ci with 6V carburation (3 Holley 2 bbl) that was rated at 401 horsepoower instead of 405 hp.
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Old 11-19-2010, 11:57 PM   #24
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by movin/on View Post
I sent you a PM a short time ago but will restate some questions here.

My guess 280-340 Horse but too many unanswered questions.

Ford made heads from sicko smog heads for 352's in Hicups/Pickups to some decent 390 & 428 heads and then there were 428 CJ and 427 Low Med & Hiriser heads. Valve sizes were from 2.02 to 2.17 on the intake valves. So which heads you have can make alot of difference. Porting some small valve-smallport heads with a bg combustion chamber might not give you as much HP as an Edsel Machined chamber head that was a forerunner for 406 and LR heads. You need to state which head you have. The ID is between the exhaust outlets and should be something like C4AE---H or D2TE----C or similar.

Headers are a must to get the true HP output from an FE! are you using headers?

Intakes can also make a big difference. Only a few of the Cast Iron (CI) intakes had real HP potential but most Ford Aluminum intakes are OK. They also weight 55 LB less than a CI intake. The better aftermarket intakes (single 4V) are the Edelbrock Performer RPM & Edelbrock Streetmaster or the Blue Thunder manifolds. Which intake do you have?

Valvefloat (Hydraulics) can be an issue but you could make up for it by dialing in springs but then rocker shafts & stands may become necessary. Do you have any aftermarket cam components?

How about the pistons? dished or flattops with notches?

There are quite a few FE owners here on the HAMB and some are really professional with their knowledge. One even has a reputation for being the one of the best FE shops in existance!

I reguraly do a search on "FE" on HAMB to find out what's been posted recently.

Movin/on
Who might that " one even has a reputation for being one of the best FE shop existance" be?
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Old 11-20-2010, 12:09 PM   #25
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Default Re: How much HP? 390 FE

Sdpjnky: Try Survival Motorsports for parts and engine work or for just parts B2 Motorsports. They are both regular contributors on the 332-428 FEForum
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Old 12-13-2011, 07:19 PM   #26
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Default Re: How much HP? 390 FE

Hey everybody I got an old time 390 in the 60s year i think? We got a 4 barrel Edelbrock Carb, Edelbrock Intake manifold, Edelbrock Camshaft, Headers, and straight pipes coming out in front of the rear wheels, and an Edelbrock air cleaner. I was wondering what would the hp average out at right now?
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Old 12-13-2011, 07:37 PM   #27
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by hotroddon View Post
Lakes style headers look cool and are better than stock manifolds, but they are not condusive to making real power. A good set of 4 into 1 headers will be good for anywhere from 20-40 more horse than the lakes.
The Streetmaster is also not a great design manifold. A Performer RPM would be a much better choice. And if you really want to wake it up, use a set of aluminum heads, 11:1 pistons and a Victor intake!
The FE streetmaster is actually a pretty good piece, way better than the others, especially with some plenum work and a port match. Edelbrock went a little more agressive on the FE Streetmaster than they did on the other Streetmasters. The Holley Street Dominator was a real good piece too. My FE has a Porto-Sonic, so I dont have a horse in this race.
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Old 12-13-2011, 07:38 PM   #28
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by SPDJNKY View Post
Who might that " one even has a reputation for being one of the best FE shop existance" be?
Barry lurks, but doesnt say much.
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Old 12-13-2011, 07:58 PM   #29
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by falcongeorge View Post
Barry lurks, but doesnt say much.
Thanks for that info re Barry!

I want to reach out to him and see what he thinks of a cross ram WITH some matching and grinding. I have heard both side of the argument that they suck and also that they(cross ram) can perform with some work. Id like to hear someone who actually dyno'd the same motor with a cross ram against another intake if that info even exists.
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Old 12-13-2011, 08:03 PM   #30
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Default Re: How much HP? 390 FE

Barry Rabotnick of Survivial Motorsports.

Even wrote a book - How to build Max-performance Ford FE engines.

Another article that was good was in the Fall 2010 Enginemasters magazine.
Might be on their web site: enginemasters.com
Article was titled "Pumped up for power", by Steve Dulcich. Complete list of parts and specs for a 525 ft lbs @3000 and peak torque of 555 ft lbs @4000.
HP was 506 @5300. Not bad for a 390.
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Old 12-13-2011, 08:06 PM   #31
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by Tall Tom View Post
My best man had a brand new '62 Ford Galaxy with a 405 hp 390. It had 3 duces, three on the tree with overdrive. Fastest car I ever rode in. Doing 120 mph he would put it in Second.... in Overdrive.... and stump on it and you could hardly lean forward because of the gggggs. Ford said that they would do 180.... Oh by the way both back side windows were covered with Trophy Stickers.
Ford told a 'tall tale', Tall Tom. 180 was not to be seen by Ford for a few Nascar years...

In 1962, Ford allotted Holman & Moody some 427 Side-oiler Boxtop Galaxies, close ratio 4 speeds, and the optional 9" limited slip rears...these cars were Ford's entries for the 1963 NASCAR lineup.

Try as they did, the H/M crew couldn't wring ant more than 151 MPH out of the Fords (Dual Four BBL 427 Side-Oilers!) at top speed. That is, not until they torch-cut the 'bubble top' off a 1961 Starliner and grafted it onto one of the brand new 'allotted' units from Ford.
The prototype immediately picked up 16 MPH, (doesn't seem like a lot, but try it sometime.
Like dropping 2 seconds off Drag time E.T.)

Ford engineers flew down to the Carolinas to see the 'improvement'...Ralph Moody told a version that was priceless...The engineers looked at the acetelyne torch modification to their Galaxy, pored over the figures, and left.

The H/M team was elated when the new 'Fastbacks' arrived on the train...a whole new top design, wind tunnel tested and fresh from Dearborn. The Mid-Year '63 and a Half' Fastback!
And they cleaned house.
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Old 12-13-2011, 08:09 PM   #32
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Default Re: How much HP? 390 FE

about 315hp 400 ft.pounds
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Old 12-13-2011, 08:35 PM   #33
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Default Re: How much HP? 390 FE

Check out your pistons before you buy. You much keep the quench up to atleast stock comp. Many new lo $ end 390 FE pistons are low in the quench and will turn it into a dog. A quality rebuilt 390 with changing to a few aluminum parts (intake forsure) will be a great preformer. Like any engine more HP more $$$. good luck
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Old 12-13-2011, 09:30 PM   #34
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Default Re: How much HP? 390 FE

I have a 390 FE in my 1955 F100. I used the Edelbrock RPM cylinder heads, intake, and carb with a Comp Cam. In my truck with a 3.25 gear, I have plenty of hp and torque!

Nothing sounds like a FE engine!!!
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Old 12-13-2011, 09:37 PM   #35
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Default Re: How much HP? 390 FE

^^I had a 428 with 4.56's in my Falcon. Much more entertaining...
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Old 12-14-2011, 03:49 AM   #36
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Thumbs up Re: How much HP? 390 FE

Quote:
Originally Posted by Atwater Mike View Post
Ford told a 'tall tale', Tall Tom. 180 was not to be seen by Ford for a few Nascar years...

In 1962, Ford allotted Holman & Moody some 427 Side-oiler Boxtop Galaxies, close ratio 4 speeds, and the optional 9" limited slip rears...these cars were Ford's entries for the 1963 NASCAR lineup.

Try as they did, the H/M crew couldn't wring ant more than 151 MPH out of the Fords (Dual Four BBL 427 Side-Oilers!) at top speed. That is, not until they torch-cut the 'bubble top' off a 1961 Starliner and grafted it onto one of the brand new 'allotted' units from Ford.
The prototype immediately picked up 16 MPH, (doesn't seem like a lot, but try it sometime.
Like dropping 2 seconds off Drag time E.T.)

Ford engineers flew down to the Carolinas to see the 'improvement'...Ralph Moody told a version that was priceless...The engineers looked at the acetelyne torch modification to their Galaxy, pored over the figures, and left.

The H/M team was elated when the new 'Fastbacks' arrived on the train...a whole new top design, wind tunnel tested and fresh from Dearborn. The Mid-Year '63 and a Half' Fastback!
And they cleaned house.
Gotta love Dearborn....
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Old 12-14-2011, 09:13 AM   #37
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Default Re: How much HP? 390 FE

I just ordered this book this morning. I am not recommending the book since I haven't read it yet but hopefully there is some good info in it.
http://fepower.net/GFEIC.html
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Old 12-14-2011, 09:35 AM   #38
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Default Re: How much HP? 390 FE

I'm looking at an old motor Dyno slip here on one of my 390's with a 428 Crank solid lifters and tri power. We did a little clean up in the heads. I don't remember the cam numbers. At 6100 rpm it made 416.7 ft lbs TQ and 483.9 HP I red lined it at 6800 rpm. I know it's not apples to apples on what your doing, just thought I'd put some true numbers out so you'd know you can get real H.P. with just a little improvement.
Good Luck, The Wizzard
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Old 12-14-2011, 09:44 AM   #39
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Default Re: How much HP? 390 FE

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Originally Posted by SPDJNKY View Post
I just ordered this book this morning. I am not recommending the book since I haven't read it yet but hopefully there is some good info in it.
http://fepower.net/GFEIC.html
I want to get Jays book too. Gotta get off my ass and order it before it goes out of print.
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Old 12-14-2011, 09:50 AM   #40
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Default Re: How much HP? 390 FE

390s can run good if the right guy is building them. We've got a local guy at the track with a 390 in a mustang that runs low 7s high 6s in the 1/8th with a home built 390, iron ported heads, street car.
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Old 12-14-2011, 09:59 AM   #41
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Default Re: How much HP? 390 FE

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Originally Posted by CoolCat82 View Post
Hey guys,

I was wondering how much hp can puch my engine out.
What do you think, do you have experience with a similar combo?

My list:
'68 390 FE bored 040 over
POrted and polished heads and intake, gasket match port also.
Compcams XE262 cam
Unilite ignition
Holley 600 carb

There will be a lot of conjecture as to HP potential of your engine. Just remember when you are bragging at the hot dog stand you can say anything you want within reason.

the true test of any engine is by the seat of your pants. Get it running the best you can, strap in and let fly. if it makes you get goose bumps you done good. If it doesn't you just start thinking about ways to make it better.
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Old 12-14-2011, 10:52 AM   #42
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Default Re: How much HP? 390 FE

SpdJnky & FalconGeorge: I've got Jay Brown's Intake Comparo Book & really like the detail he put in. He sliced & diced the Dyno info in many different ways & put comparisons side by side so you can see on bar graphs how each intake performs. He also used 4 different engines from a 428 to a 445 (stroked 390) & two 427 based engines. So you can see which manifold would be best for your build.
The book also has a section comparing different exhaust manifolds & headers.

It's a great buy if you like FE's. (Added) that there are 49 different intake combinations covered but a couple of single quads got 2 different size 4bbl's and some were stock & port matched to show improvements in minor work

Movin/on

Last edited by movin/on; 12-14-2011 at 11:51 AM.
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Old 12-14-2011, 11:09 AM   #43
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Default Re: How much HP? 390 FE

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Originally Posted by movin/on View Post
SpdJnky & FalconGeorge: I've got Jay Brown's Intake Comparo Book & really like the detail he put in. He sliced & diced the Dyno info in many different ways & put comparisons side by side so you can see on bar graphs how each intake performs. He also used 4 different engines from a 428 to a 445 (stroked 390) & two 427 based engines. So you can see which manifold would be best for your build.
The book also has a section comparing different exhaust manifolds & headers.

It's a great buy if you like FE's

Movin/on
I'll have to snag that book.
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Old 12-14-2011, 11:13 AM   #44
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Default Re: How much HP? 390 FE

Me 2....
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Old 12-14-2011, 11:18 AM   #45
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Default Re: How much HP? 390 FE

I always wondered why Ford never offered the 3x2 intake option for the ''67-'68 390GT Mustang and Torino cars... Even though they had those intakes in the pipeline.... Guess we'll never find out..
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Old 12-14-2011, 11:20 AM   #46
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Default Re: How much HP? 390 FE

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I always wondered why Ford never offered the 3x2 intake option for the ''67-'68 390GT Mustang and Torino cars... Even though they had those intakes in the pipeline.... Guess we'll never find out..

Too hard to tune, is the only thing I can think of. Make it go fast and easy to maintain and don't loose your reputation for putting out a fast car.

Think of it this way, Chevy used an FI on the corvettes for several years. More often than not the FI got pulled in favor of a carburator. That FI really worked if you could tune it well but it needed lots of attention. They dropped it in favor of a carb, easier to maintain and the rep for going fast didn't get ruined that way.

yea I know apples to oranges but the same principle. And conjecture at best.
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Old 12-14-2011, 11:30 AM   #47
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Default Re: How much HP? 390 FE

But the carbs were Holleys... Only the center carb needed to be tuned...
Real easy to do with a vacuum gauge..
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Old 12-14-2011, 04:47 PM   #48
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by movin/on View Post
SpdJnky & FalconGeorge: I've got Jay Brown's Intake Comparo Book & really like the detail he put in. He sliced & diced the Dyno info in many different ways & put comparisons side by side so you can see on bar graphs how each intake performs. He also used 4 different engines from a 428 to a 445 (stroked 390) & two 427 based engines. So you can see which manifold would be best for your build.
The book also has a section comparing different exhaust manifolds & headers.

It's a great buy if you like FE's. (Added) that there are 49 different intake combinations covered but a couple of single quads got 2 different size 4bbl's and some were stock & port matched to show improvements in minor work

Movin/on
Its been on my "lust list" since before it came out. I'd heard about it when Jay was putting it together. Just one of those "I'll get to it" deals. I think I need to buy myself a christmas present. What I REALLY want is a Dove Tunnel Wedge intake, but I gotta hunch Santa doesnt think I've been a good enough boy.
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Old 12-14-2011, 04:51 PM   #49
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by Deuces View Post
I always wondered why Ford never offered the 3x2 intake option for the ''67-'68 390GT Mustang and Torino cars... Even though they had those intakes in the pipeline.... Guess we'll never find out..
At that point, they already had the Tunnel Wedge, if they were going to do a multiple carb option, they should have gone that route. I read in an interview with Bob Tasca that the ford brass had tighter rules for idle quality and noise levels than the other guys in the late sixties, thats part of why the Boss 429's were so weak.
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Old 12-14-2011, 04:58 PM   #50
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Default Re: How much HP? 390 FE

If you're in Hungary the fuel will be low octane. I wouldn't go over 8.5 to one...might get 280-300 HP tops but if you keep with that 262 degree cam the torque should begin to come in at 2500 RPM...probably run outta pwoer at 4500--4800 RPM.
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Old 12-14-2011, 05:26 PM   #51
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Question Re: How much HP? 390 FE

I just picked up this 390 GT engine complete,stock..68 or 69...
I know zero about these engines,It's going into the Widow Maker.


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Old 12-15-2011, 08:54 PM   #52
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Default Re: How much HP? 390 FE

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I just picked up this 390 GT engine complete,stock..68 or 69...
I know zero about these engines,It's going into the Widow Maker.


SCORE! With a toploader to boot. Bet that wasnt cheap.
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Old 12-16-2011, 09:01 PM   #53
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Default How much HP? 390 FE

For those that were-are wondering how much HP for an FE? I got in contact with Jay Brown on the Intake Comparo & asked his permission to post a couple of pages (he actually sent some). So Here is a sample of the book.

Again these are a representation of what the book contains but is just a mere sample.
Jay in great detail describes all of the nuances of assembling a well ruunning FE as well as looking out for pitfalls (like oil leaks on the intake) and Cam, timing etc...

The sample pages of the book he sent me are of the 427 sideoiler & the top manifold was about 605 HP. The bar graph shows the various manifold effects. Just from my understanding the FE 445 stroker would be about 100HP less but varies also from cam-heads,etc... Jay chose to block out the exact manifold names because you need to find out all of the differences to make a sensible conclusion (not a spontaneous decision on the value of a manifold). I totally agree with his thought.

Hope this helps. Not an endorsement of the book but I bought one with no regrets.
Movin/on
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Old 12-20-2011, 07:54 PM   #54
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Default Re: How much HP? 390 FE

My copy of the book came in mail this week. I started reading it and I highly recommend it. Ton of good info in it!
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Old 12-21-2011, 07:11 PM   #55
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Default Re: How much HP? 390 FE

here is my 34 chev with a 61 390 hp and close ratio 4 speed toploader
I have no idea how many horsepower but will put rubber on the pavement every shift
390's are not a cheap engine to build (but what is?)
30 over diamond 10.5-1 pistons
h beam rods
solid 674 lift roller cam
dove roller rockers
c1ae heads 2,17 intake 1.66 exhaust, intake valves shrouded
ported and equalized intake runners on tri power port matched to heads
hooker headers centerforce 2 cluth and mccloed hydraulic bearing
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Old 12-25-2011, 02:18 PM   #56
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Default Re: How much HP? 390 FE

HTML Code:
SpdJnky & FalconGeorge: I've got Jay Brown's Intake Comparo Book & really like the detail he put in. He sliced & diced the Dyno info in many different ways & put comparisons side by side so you can see on bar graphs how each intake performs. He also used 4 different engines from a 428 to a 445 (stroked 390) & two 427 based engines. So you can see which manifold would be best for your build.
The book also has a section comparing different exhaust manifolds & headers.
 
It's a great buy if you like FE's. (Added) that there are 49 different intake combinations covered but a couple of single quads got 2 different size 4bbl's and some were stock & port matched to show improvements in minor work
 
Movin/on
I agree, you can tell hes an engineer because hes taken a very scientific approach. Every step of the way has been thoroughly explained, establishing a baseline and going from there on.
Im pretty sure how Ill build my Galaxie engine now.
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Old 12-25-2011, 02:45 PM   #57
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Default Re: How much HP? 390 FE

I have a 406 that has been with me since new. The 390's I associated with were 1) strong engines. 2) Had the potential for being an extremely fast engine and 3) always (when built right) made a very account at the Drag Strips I went too. There was one in a '63 two door post that constantly took home a Trophy. It was Blue Printed by a shop at 41st and Market St. in San Diego.
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Old 12-25-2011, 03:23 PM   #58
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by 34 wood remover View Post
here is my 34 chev with a 61 390 hp and close ratio 4 speed toploader
I have no idea how many horsepower but will put rubber on the pavement every shift
390's are not a cheap engine to build (but what is?)
30 over diamond 10.5-1 pistons
h beam rods
solid 674 lift roller cam
dove roller rockers
c1ae heads 2,17 intake 1.66 exhaust, intake valves shrouded
ported and equalized intake runners on tri power port matched to heads
hooker headers centerforce 2 cluth and mccloed hydraulic bearing
Love your choice of engines: 'rolling test lab', in spite of product bigotry. Kudos to you!
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Old 12-25-2011, 03:58 PM   #59
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Default Re: How much HP? 390 FE

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Originally Posted by Deuces View Post
Sorry guys! I was wrong.... There was a Z code 390 ci with 6V carburation (3 Holley 2 bbl) that was rated at 401 horsepoower instead of 405 hp.
The 406 ci 6v engine was advertised at 405 hp.
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Old 12-25-2011, 04:29 PM   #60
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Default Re: How much HP? 390 FE

34 Wood Remover??

Dry sump setup? Looks like some remote filters under the steering box area.
How about some info on the oil system.

Movin/on
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Old 12-25-2011, 09:13 PM   #61
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Default Re: How much HP? 390 FE

As mentioned, its hard to tell exactly what HP you'l get from your FE, but if its going in a lightweight hot rod, it'll provide plenty of reliable horsepower. FE's are a bit more difficult to build and certainly more expensive to build than some V-8's but they've been around a long time, make good power and torque and sound awesome. Here's mine in a 31 coupe.

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Old 12-25-2011, 09:35 PM   #62
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Default Re: How much HP? 390 FE

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Originally Posted by boutlaw View Post
As mentioned, its hard to tell exactly what HP you'l get from your FE, but if its going in a lightweight hot rod, it'll provide plenty of reliable horsepower. FE's are a bit more difficult to build and certainly more expensive to build than some V-8's but they've been around a long time, make good power and torque and sound awesome. Here's mine in a 31 coupe.

.
I am having trouble finding the correct words to describe just how awsome your motor is.... So I guess bad ass will have to do while it doesn't do it justice.
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Old 12-26-2011, 02:08 PM   #63
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Default Re: How much HP? 390 FE

Boutlaw Im in a build using a rear radiator and electric water pump for the street has this combo worked OK for you? All help appreciated.
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Old 04-21-2012, 08:52 PM   #64
Deuces
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Default Re: How much HP? 390 FE

Quote:
Originally Posted by falcongeorge View Post
At that point, they already had the Tunnel Wedge, if they were going to do a multiple carb option, they should have gone that route. I read in an interview with Bob Tasca that the ford brass had tighter rules for idle quality and noise levels than the other guys in the late sixties, thats part of why the Boss 429's were so weak.
The only things "The BOSS" needed was a Holley 850 carb instead of the stock 735 cfm Holley carb and a nice set of headers so it could breath......
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Old 09-06-2012, 10:00 PM   #65
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Default Re: How much HP? 390 FE

I myself have just bought a 390 it has edelbrock 650 4 bbl carb with aluminum intake. Would love to get more ponies any suggestions?
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Old 09-06-2012, 11:08 PM   #66
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Default Re: How much HP? 390 FE

JshaneMathews: Suggestions ???

Join the FEForum and read alot.
There are tips there for Intake choice,Heads, Cam's, Headers, Distributors, and for FE's timing will wake up an FE. You might want a larger carb & exactly which intake do you have? Alot of FE aluminum manifolds made in the late 70's and 80's were for economy in PU trucks and really limit HP but do make OK low RPM torque.

Movin/on
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Old 09-07-2012, 08:34 AM   #67
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Default Re: How much HP? 390 FE

Edlebrock intake. I bought the engine 2ndI hand has molly ignition dist. I have a pic of the engine font know how to upload from.my.phone
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