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Telker · Feb 10, 2012

I've heard people say how easy it is to drop a v-8 engine in a H farmall. I've been thinking about trying it. Are there plans to do this available and what is needed to accomplish this
Any help would be appreciated.
Thanks
Jerry
[email protected]

rustyfarmall · Feb 10, 2012

(quoted from post at 13:18:22 02/10/12) I've heard people say how easy it is to drop a v-8 engine in a H farmall. I've been thinking about trying it. Are there plans to do this available and what is needed to accomplish this
Any help would be appreciated.
Thanks
Jerry
[email protected]

I've seen a few installed in Ms. The H is 2" narrower. Probably not quite as easy.

Anonymous-0 · Feb 10, 2012

Plans are for sissies or them what aint smart enough to improvise. It will be different if you use a Ford or Chevy orDodge or International truck motor so plans are almost unheard of. It is a fit and manufacture as you go thing. And easy it is NOT,

Super-H-Mike · Feb 10, 2012

Some of these modified tractors can be very neat, and some are just cut and hack jobs. There is a guy on You-Tube with a Chrysler Hemi in an F-20. There was a guy locally here on Craigs List with a small block Chevy in a F-20. I have seen big and small block Chevs in Hs and Ms. I once saw a Massy 44 pull that had a 396 Chev in it, and one that had a 302 Ford. Also a Massey 30 with a Chevette motor. I personally think these are cool and interesting, but many people are very turned off by the whole idea of it. I say do what makes it fun for you !

Anonymous-0 · Feb 10, 2012

Right on Mike, F12,F20,F30 about the easiest thing to put an odd ball engine in; two frame rails to put motor mounts on and then something to couple the clutch outout to the tranny.

mike1972chev · Feb 10, 2012

If you DO install one,just be careful with the tractor.

The original engines usually will not be putting out near the torq/HP of what you might be installing???

If you would hook onto a weight sled,pull a plow,Something SOLID,ect? and really hook the tires hard,You can SHATTER those rear ends in these things! take it easy on em!

1468 Chris · Feb 10, 2012

A buddy and I just finished puttin a 7.3IDI diesel outta a ford truck into an M. It was alot of work, but now the M has 200horse and does about 35MPH on the road. Gotta be careful with it though.

David Inman · Feb 10, 2012

My dad and the neighbor have been trying to put an IH V8 into an M for the last 6 years. That means two things: one it is not exactly easy and two, it clearly is not a priority project-he doesn't even know what he'll ever use the thing for. Like the others said, I would expect the H to be tougher as its a smaller tractor.

mike1972chev · Feb 11, 2012

NOT to "pee" on everyones parade here,but ther V8 isnt even really nesessary here.Most of the time this is done either because someone had a bad original motor and has a "free/cheap" V8 sitting around,or just for "looks".I have to admit,a 426 Hemi with chrome "zoomies" looks cool!!! I am NOT trying to put this idea down! I like "different" too!

But you can take the stock 4 cylinders and get them up around 500 cu in ,if you want to?Big puller friend of mine built one and you couldnt tell it from a stock 264 cube original!

If i haul off and start in on my new "salvage yard" find,that is what I will do!

The Gambler pulling team · Feb 11, 2012

We have a 4500lb and 5500lb class here in Fl. Most all are built with farmall M's or oliver 77's the farmall H rear will not handle the power. It will come apart.

CenTex Farmall · Feb 11, 2012

I've seen an M at local pulls a time or two that used a stock block and a turbo with alky. I don't know how many cubes he was running. He ran it in unlimited class and it sounded really unique at RPM compared with the v-8's!

Anonymous-0 · Feb 11, 2012

Saw an H a few years back with a GM 2.8 V6 in it that looked pretty nice. Of course, my first thought was that a 2.8 was pretty "gutless"...but when I read that the builder had put an S-10 4-speed manual transmission, locked into 2nd gear, in the torque tube, it made perfect sense.

The engine turned a bit more than twice as many RPM's as the original H engine. Second gear in the old S-10 4-speed tranny is approximately a 2:1 gear reduction. SO...the S-10 tranny serves to reduce ground speed to about what it would've been with the original H engine, PLUS it's used for torque multiplication, so that the 2.8 isn't nearly so gutless as it would have been.

So it's a win-win all around.

BUT I'm convinced that if you're gonna do a V-8, you should step up to an M.

mike1972chev · Feb 11, 2012

I would say as long as there was a certain amount of rear tire "slippage" while pulling,the rear axle/gears will survive,I guess???

I would bet if these Ms with these big engines had their rear wheels really stuck in a ditch,I bet it would bust something in that rear end?

I am just "fishing" for people with knowledge of how strong that Final drive really is ????

CenTex Farmall · Feb 11, 2012

There's a local guy who built one using a 454 (fairly mild by most standards) and a sm465 4 speed as an intermediate transmission. It does have plenty of tire slippage but I don't think anything has broken on it, at least not yet. It's based on a SM.

The best sounding one I've seen had a well tuned 383. Many of the "hot rod" v-8 types are not tuned that well and you can hear them lean out half way down the track. This 383 sounded strong the whole way, probably a true 350 to 400 horse motor based on my guessing and the heads he was using.

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