Anynoe tried the new summit brand carb?

has anyone tried Summits brand of carb yet? any reviews?

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• Carburetor, Summit, 600 cfm, Square Bore, 4-Barrel, Electric Choke, Vacuum Secondary, with DVD, Each
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<TABLE class=overvw><TBODY><TR class=spacer><TD colSpan=3></TD></TR><TR><TD class=overvw-labels>Brand</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Summit Racing</TD></TR><TR><TD class=overvw-labels>Manufacturer's Part Number</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>SUM-M08600VS</TD></TR><TR><TD class=overvw-labels>Part Type</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Carburetors</TD></TR><TR><TD class=overvw-labels>Product Line</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Summit Racing Street & Strip® Carburetors</TD></TR><TR><TD class=overvw-labels>Summit Racing Part Number</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>SUM-M08600VS</TD></TR><TR><TD class=overvw-labels></TD><TD class=overvw-midmargin></TD><TD class=overvw-data></TD></TR><TR><TD class=overvw-labels>Number of Barrels</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>4</TD></TR><TR><TD class=overvw-labels>Carburetor Flange</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Square bore</TD></TR><TR><TD class=overvw-labels>Choke</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Electric</TD></TR><TR><TD class=overvw-labels>Fuel</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Gasoline</TD></TR><TR><TD class=overvw-labels>Secondary Type</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Vacuum</TD></TR><TR><TD class=overvw-labels>New or Remanufactured</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>New</TD></TR><TR><TD class=overvw-labels>Fuel Inlet</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Dual</TD></TR><TR><TD class=overvw-labels>CFM</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>600</TD></TR><TR><TD class=overvw-labels>Primary Jet Size</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>67</TD></TR><TR><TD class=overvw-labels>Primary Power Valve (Hg)</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>6.5 Hg</TD></TR><TR><TD class=overvw-labels>Primary Discharge Nozzle Size (in)</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>0.035 in.</TD></TR><TR><TD class=overvw-labels>Secondary Jet Size</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>73</TD></TR><TR><TD class=overvw-labels>Carburetor Finish</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Tumble polished</TD></TR><TR><TD class=overvw-labels>Ford Kickdown</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Yes</TD></TR><TR><TD class=overvw-labels>Throttle Linkage Type</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Universal</TD></TR><TR><TD class=overvw-labels>Quantity</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Sold individually.</TD></TR><TR><TD class=overvw-labels>Notes</TD><TD class=overvw-midmargin></TD><TD class=overvw-data>Summit Racing recommends this part for single carbureted applications only.</TD></TR><TR class=spacer><TD colSpan=3></TD></TR></TBODY></TABLE>

Superior Performance at a low Summit® Price!

After years of research and development, and thousands of hours of testing, we're excited to bring you Summit Racing Street & Strip® carburetors! These 4-barrel, square bore carbs have top-dollar features at a nice Summit® price, like:

* 100% wet flow tested and ready to run out of the box

* All aluminum construction for warp resistance and excellent calibration retention

* One-piece design that eliminates gaskets below the fuel line for leak-free operation

* Dual 30cc accelerator pumps (mechanical secondary models only), annular boosters

* Interchangeable discharge nozzles and idle circuit restriction

* Exclusive color-coded vacuum ports for easier installation

* Thick base plate sealing surfaces

* High-flowing power valve channel with a valve guaranteed for a million miles

* Externally adjustable center-hung floats, clear-sight glass float windows

* Easy-adjust choke (electric choke models only)

* Chrome steel fuel line included for easy installation

Summit Racing Street & Strip® carburetors give you great throttle response and street performance in a bolt-and-go package. They have a tumble-polished body and black anodized trim for great looks, and they include a chrome-steel barbed-fitting fuel line, base gaskets, and hardware to make installation a breeze. Grab one today and put proven performance under your hood at an affordable Summit® price.

 

I have not tried one, but it looks an awful lot like the Holley lightweight failure of the late 80's.

 

Yeah, it looks like a Holley 4010/4011 to me, the 4010 was a squarebore and the 4011 a spreadbore IIRC. Never ran one myself but do some searches for "Holley 4010" to see what people have to say about them. I was considering buying a used 4010 2 or 3 years ago. I couldn't get a Renew Kit for it so I passed on it but they are available again.

 

Hey!! Is this the ProComp Carburetor? Another Chinese knock off. I like the SBC ProComp heads and have ported a bunch lately.

 

bump

 

They are a 4010 holley carb with a few great up dates. They are very good carburetors and are often overlooked because they are not a "regular holley". Holley created that carburetor from the Ford Autolite 4v carb found on many 60's and 70's fords (another great carburetor, just never flowed big CFM). The cool thing I like is that you can use all the same holley parts but dont have to worry about leaky float bowls and gaskets, PLUS it comes with annular boosters which are just about better for everything.

The only problem with those carburetors that I have come across is the base flange. It has a bunch of hollow areas underneath and its a bitch to seal unless you have the right gasket and a big flat square bore carburetor flange on the manifold (probably why many people said "fuck it" and stayed with the regular holley or edelbrock). what I like to do is epoxy the hollow bottoms of the carburetor and file them down flat so its more forgiving on matching up and sealing.

 

I'll pass on those.. I'm a big fan of the old 4150-4160 series carbs.

 

There was a review of this carb over at the Ford Muscle e-zine site. They seemed to have liked it and said it ran great.

 

If I were to buy a new carb, I buy from a company that has been making them for a while.

Which brings up the question, why are there so many new 'old' carbs being made again? Speedway and the "9 Stupid 7", Edelbrock now makes the "Honky 94", and now Summit. Is the market THAT good? I still find all the 97 cores I need.

 

Ditto. Why take a chance when you can have a genuine Holley for marginally more cash? Seems like a no-brainer to me

 

Im guessing the edelbrock/carter style carbs would be better suited for daily drivers and MPG?

 

My buddy bought one, ran lousy. Told him to check into the rebuilt carbs at Summit. I have bought two and they are not rebuild, they are new and cost less than the Summit carb. I got the the rebuild info directly from Summit

 

We tried a 750 cfm vaccum sec. Summit carb on a dyno's 408 CID small block that has run 11.8'S in a '70' Duce, 11:1 + compression, Canton alloy heads, Comp. roller and a 780 Double pump holley with no air horn, the Summit carb was down 20 HP all across the board BUT was lean, it had a nice fuel curve but probably needed some jetting and tuning, it may have some potential if you can spend some time with it. I'm a holley person but I going to spend some time with it on my 70 396 El Camino as I truely hate the Q-jet that is currently on it. I like the high "waterline" no drip/drizzle, annular discharge and can use Holley parts, of which I have a ton of. Perhaps some of this may be the difference between a vaccum sec. carb and a double pump ???

 

pass

 

Well, for one, they weigh about half as much as a traditional 4150/60.


i hope they come out with the 4011 clone.

 

They are indeed a remake of the old Autolite 4100 which was an excellent bread 'n butter carb, very smooth idle & cruise qualities, very good atomization and economy. Just like with the Q-jet or Ebocks, if you're not familiar with it and don't take the time to learn how to work with it, you'll probably badmouth it. Very simple design, uses regular Holley parts, and the antileak body design of the 4100- you can actually take the top off and run a 4100 Autolite to see what's going on inside- proper fire precautions of course. As with a 4100, I'd expect a couple more MPG over a 4150-4160 on a cruiser, and for max power, the regular Holley would be the first choice

 

I just put one on a SBC with auto trans and it works great. Good carb for the money.

 

I believe what the real problem for Holley was they brought the fuel line out straight to the side requiring air cleaner spacers and all kinds of problems, looks like Summit fixed this problem by angling at a more conventional 45 degree angle the fuel inlet to the common style. And yes, they are a revamped Autolite from the 60's and were a good carb. Most Holley parts interchange with them outside of the main gasket but I believe Holley had came out with these to get away from thier notorious fuel bowl leaks, which seem to not be a problem with all the modern gaskets they have now. I would not be scared to run one, just another style of carb, just not as popular.

 

got one, fired up right out of the box,but, havent been down the road yet to see how it'll do on this tunnel ram ??????

 

If that's the only advantage, I'll play a few extra hours of hockey one week and lay off the mexican food, which should yield the same result.

My car has skirts, hubcaps, etc., saving weight isn't at the top of my priority list

 

I bought one when I was trying to get my Lincoln running on the cheap.

It actually ran great right out of the box and still does, my mpg went from about 10 mpg with the old teapot, to between 15 and 20. The car runs really well.

Anyway, all in all I regret not buying an American made carb, but not because of performance.

 

This is an old post, but thought I would share my experience rebuilding my Summit 750 in case it helps someone else out. One of my glass sights had the rubber seal coming out and had to replace it, but of course the kit doesn't come with seals for that and read on a forum that the manufacturer says they can only be replaced at the factory. So I ended up finding an oring that fit perfectly it is a 33/64 I.D 5/8 O.D. 1/16 thick at the hardware store. 1/16 is key because I tried a thicker oring and the snap ring wouldn't go on, this one was still tough but made for a good seal.
Also all the hardware must have been glued in at the manufacturer as the screw heads started to tear taking them off, had to leave the main jets in because the brass screw head started to break. Seems like a cheap carb, but I'm only in it $85 after getting a kit for $50, so can't complain

 

Not sure what you were using to remove the jets, but you may have better luck with a jet wrench, if you were using a screwdriver. Thanks for the info, I have been wanting to try one of these carbs for a while, being a fan of the 4100's.

 

I’m on my second one, have one on my Lincoln 302 and one on a 460 in my motor home. I like them, run great right out of the box. Both stock engines, so I can’t say how they would be on a highly modified motor, but work great on the street. It kept the 460 fed just fine, got better mileage than the Ford Holley it had from the factory.

 

Is your O-ring fuel rated?

 

I put one a slightly warmed over 350 Chevy. It fired right up and ran great. Still running as far as I know. It's a Holley carb that they discontinued and Summit picked up.
Probably still made by Holley with a Summit number on it. Good daily driver carb or cruiser carb.
I would not be afraid to run one on my car .

 

I was running edelbrock, was not having good performance, changed to summit carb,the change was very good. That was on chevy 355 ci. Will thank you will be very pleased.

 

guy

hardware store guy said it can handle peroleum products so I put it in and haven't had a problem. Been using the carb for 8 months now no leaks and runs excellent

 

Matt003,

How is your performance and gas mileage with this carb? Just curious because I would like to try one. Have a 1406 Edelbrock on a 390 FE Ford.

 

I used one of the original ones by Holley in the late 70’s on a 400 SBC; it was a spread bore. Worked great and was sold with the truck.
The new Summit ones are highly praised on the YBlocksforever site. They have been used on stock and modified engines. They are reasonably priced and work right out of the box. Most new carbs are set rich and need tuning it’s just a fact. If I took off my dual quads and put on the Blue Thunder dual plane manifold I would use one unless I could find a Carter AFB. I’m not a fan of Holley 4150-60’s on the street but both my high compression race engines use them.
Reading that they make 20 less horsepower at 6-7000 rpm would mean nothing to me if the performance and torque between 1500-3500 was better usable and driveable.