Inline six. Torque monster? How come?

That looks like a pretty racy dump truck motor

 

Larry T, post 119; Now that's got me thinking!...............

 

I think they've had the car running for 2 or 3 years now. Maybe longer.
NHRA record holder.

F/EA 7.90 167.88 04/24/10 Kevin Self - Caddo, OK '32 American Bantam Ennis, TX

 

Horsepower sells cars, torque wins races. --Enzo Ferrari<wbr>

 

i'm a bit late here but did you just fess up to owning a prius?
















i kid.

 

Yes, and he swings a heavy crank.

 

My dad had a 66 Ford truck with a 300 six. He used to show off by taking off in 4th gear. Once back in the early 70s some guys built a 392 Chrysler style hemi head for a 300 using some billet aluminum. They have the same bore and they used 392 rocker arms and shafts. Exploded the transmission on the first run right at the starting line. The 300 would be a fantastic sleeper if turbocharged. bill

 

NICE!!!

Would love to see some pics/details on that one!

 

Pfffeww! (pops the top on a beer and waits for the flogging of a long dead horse)

 

Here's my 2 cents worth.

In the 18th century James Watt invented the steam engine.

As he went around trying to sell it to mills and factories he always (correctly) gave the turning power of his engines in torque foot pounds.

But, mill owner who had horses turning their mills, could not understand torque.

They asked how much Horsepower does the engine make?

James Watt came up with the formula HP= torque x rpm divided by 5252.

That is exactly the same formula we use today.

So, when you look at any torque and horsepower graph the two lines always cross at 5252 hundred RPM.

Nowadays, I think when guys talk about torquey engines they a really just talking about engine that are most efficient at low rpm.

 

Boy i find that hard to imagine. My friend had an old City Works E350 cube van with a 300. Fine for putting around on level ground. We towed my Fairlane on an open trailer to the track. (Ashcroft, 200 miles, uphill most of the way) Or tried to. First clue that it wasn't gonna work came just a couple miles from here when on a slight highway incline we had to pull onto the shoulder with the 4ways on and had a bicycle rider pass us!! By the time we got to the big hills (still all highway) we were a couple hours behind schedule and after grinding up a two mile 5% grade at walking speeds we decided the hell with it, race will be into second round before we get to tech. The normal four hour trip could have taken us eight at that pace.

 

No, rotating mass is inertia and has nothing to do with torque....
.

 

Actually, if you look at your old Motors manuals, straight 6s made less than 1 lb of torque per CI. Chevy 235 made 217 lbs torque. The 225 Dodge made 215 torque. The ford 240 made 239 torque. The Pontiac 230 4-bbl engine made 228, the Rambler 232 made 215. The Olds 230 made 215. They were considered torqy because of the cams. Low RPM torque bands gave the engine umph where needed because they were so small. In trucks they generally used stick shifts so some energy could be stored in the flywheel for the initial start. Generally a well built engine with a 10-1 comp should make around 1.1 LBs torque per CI.
Remember that torque moves the car, HP ratings are for bragging rights. Bill

 

Bill has nailed it.
You can pretty much count on around 1Ft/lb per CID for just about anything.
High compression and a long runner intake may get you a fraction more, but torque and displacement are always going to be mighty close.
The only way to beat that rule is with some king of forced induction or nitro.


Where I disagree, diff gears and gearboxes are for multiplying torque, engines are for making Hp. Properly geared, the higher Hp (and lighter) car will always be quicker.

 

My inline 6 puts out 1650lb/ft of torque ... does that make it a torque monster ???

 

Yep...

 

When I was running a GMC in my Bonneville car I bought a new Renton ordaince depot rebuilt 302 from some guys that bought it from the Army. Put it into a Chevy ton and a half stake truck and promptly blew the clutch. Decided it was because of the emormose torque. So they pulled it and put a 235 back in. Good for me. Dumb for them

 

Must be a Jimmy diesel. Bill

 

Straight from my old school GM shop manual

230 220@1600 rpm
292 280@1600

283 275@2400
327 305@2000

All I know is my 292 pushes 10Klbs of RV around the southeast without much trouble, but not setting speed records either. the thoughts of running I77 through the mountains does scare me though!

 

The old International straight 6's were known to be stump torturing torque monsters. they also had 4.10 rear gears and transmissions that could take a bullet. It doesn't make them torque monsters (and neither any stock 50's 6 you see).

 

Hmmm??? Ya' wanna' talk 'torque' from inline-6's??? Bone stock,
the 3406 Cat diesel in my old '87 Freightliner had a 'factory rating'
of 425 hp at 2100 rpm and 1650 ft/lbs or torque at 1200 rpm - at
the flywheel. Later on, after an in-frame overhaul at 650,000 miles,
it got the pump turned up and a bigger turbo and injectors and
on the chassis dyno, it put out 515 hp at 2100 rpm and 1900 ft/lbs
of torque at 1300 rpm - at the ground!. That was fairly serious
power for a real 'over the road' working truck back in the
late-'80s-early '90's, but now Caterpillar, Cummins and Detroit all
offer electronically controlled inline-6 diesels with with flywheel hp
ratings to 600 hp at 2100 rpm and the torgue - actually electronically
limited due to transmission capacity limitations - set at 2050 ft/ibs
at 1200 rpm! 'Yes, Virginia, there are hot rod trucks!"

Mart3406
=====================================================

 

i own 4 ford 300 inline sixes... as well as an AMC 258... and for good reason. i've towed with everything under the sun, and especially with the fords, either gives me a 300 I6 or a diesel, or give me a 460 along with some extra gas money, but you can keep your small block unless it has 4.10's or bigger... which then you may as well then just put the gas into the 460 ... as for when the 300's got injected, they gained 20 hp... but LOST 40 some foot lbs... as well as raising peak torque 200 rpms to 2000 rpm from 1800... NOT a good trade... but as we all know, HP sells cars.... Torque moves em... my pickup has a T-18 4spd with a 6.32:1 1st gear, BUT it has a 3.08 gear in the rear... 3000 RPM at 80MPH, normally start out in second, but if theres a load, toss her in first, she'll move whatever you got on that bumper, then when your almost floating the valves at 12mph, you reach for second, rinse and repeat, lol. the way the truck lurches between shifts and twists under load is the best feeling EVER. also have a little old Econoline 150 with a 300 six and a 3-on-the-tree stick with a 3.00:1 gear is almost as capable. i've had 4000 lbs in the cargo bay and a 6000lb trailer on the bumper, and while she wasnt gonna win any acceleration awards, it wasnt much different then with the truck empty... best part is the things will get 16 mpg with a 16 ft flatbed with a car on top... my F150 i got a best of 24mpg, while normally getting 20-22 avg, ocasionally 18 if i was hard on her... working on putting one with a ZF 5 spd OD with a 5.13 ring and pinion in a larger truck.... RPMS at speed on the hwy with those ratios are the same as with a non OD trans and a 3.08:1 gear, but with the added gear not to mention better spread of ratios with the ZF

 

I'm 69 yrs old and I had a 1949 ford Flathead in the 1950's. I raced all kinds of sixes they usually get ahead in the first stint of a drag race, but once the Flathead got going i always beat them. The only 6 cylinder to beat me was a Hudson with the 2 carburetors.

 

Hay Man The 300 ford is a strong engine and will make torque & horsepower but you must clean up intake & exhaust ports & a good intake& exhaust manifold are a must to let the engine breath & it will surprise you Ha Ha

 

The 300 will make Hp if you open up the exhaust & intake ports & add a good intake & exhaust manifold... Let the engine breath it will make good HP add some gear, you will be surprised Ha Ha

 

i'm glad that hudson put that ford in it's place!

 

My buddies Hall-Scott 6 makes 290 HP @ 1800 RPM, max torque ft. lb. 930 @ 1300 RPM.

Of course, it is 1091cu.-in. with a 5 3/4" bore and a 7" stroke.

Now that's a torque monster.

 

one of the best examples I ever saw was an old dump truck at Hershey, probably about a 1906 or 7 It had a four cylinder 5" bore x 11" stroke and the top speed of 5MPH and stated capacity of "ALMOST UNLIMITED"

 

I've always heard that it's because of the unique configuration of a 120 degree crank and the resulting firing pulses, combined with the typically longer strokes.

 

Ya know, I always wanted to build a pickup with 2 chevy sixes side by side just to see what the torque was like........I think I can do it if my wife looks the other way........