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an H at 115 HP???

5

55 50 Ron

Well-known Member
I see an ad on this forum for an IHC "H" "pulling tractor" with several specs listed which includes a statement that it is approximately 115 HP. How can that be possible from that small engine?????
 
An H engine is not that small. By running the pistons in the bore (with no sleeve they are up around a 4 inch. Run that up to 4 or 5000 rpms and it's gonna push out some pretty good ponies. For a while anyway. Allis Chalmers was getting over 70 horse out of the WC engine before they stopped building it and that was factory stock.
 
It's very possible and not being way to extreme for durability. I have one that's way over that HP rating but very very large cubes and alot of $ invested.

~ Dan Smith
 
A stock H is about 152 cubic inches, compare this to my two four cylinder cars Honda 2.2 140 HP stock ('corse it turns like 6,000 RPMs) 2.3 Ford 205 HP stock (turbo and again like 5-6,000 rpms) look at the Ford 2.3 hsc engine (Tempo/Topaz) its 2/3s of a 200 six cylinder at 144 cubic inches and 90 HP at 4,700 rpms. Doesn't seem to unreasonable that you could push a 152 inch to 120 hp, make it bigger or turn it a little faster than the 1800 it was set for. Balance & beef up as needed it had a six quart oil pan and 4 gallons of coolant so you should be able to control the heat.
 
wisbaker made my point for me...

A stock H engine is approximately 2.5 Liters, and only 22HP from the factory IIRC.

Just look at what they're doing with engines that size in cars these days. Well over 115HP from the factory. The car engines are much lighter built, made from aluminum, and they run 100,000 miles or more, producing 10 times the HP of an H.

Put that kind of precision machining into an H engine and it ought to be good for 200-300HP. All you need is money.
 
Hi, I am the fella who has it listed for sale. This tractor has a 300 engine, which has been bored and stroked, big cam, a lot of cyl head work. Engine was new in 2008, its 270ci at 13.5 to 1 running on pump gas and E85. Modern day science has brought the H farmall to make impressive power ranges with high performance technology. Technology that did not exist even 10 years ago is now showing up and stunning everyone! As to talk about the science behind it, would be a good discussion. Last time I had it out pulling, that H outpulled quite a few tractors with twice its cubic inch, and 50 or more hp. One being a 500ci super m in a 5000lb 4 mph class. .it was restored in 97, kept inside, paint still shines, and its a pretty straight tractor. drives nice, starts and runs excellent. its been my prized farmall for a long time, but i dont have the time i used to to take it out pulling. i know if i tallied up the recipts since 97 we put over 20,000 in it to get it to run and pull the way it does today. it has a well documented history in pulling, hours of video, and alot of untold stories that i hate to part with. dont miss out on this very nice tractor. if u wanna talk bout how we got that power out of it, then come buy it, and ill tell you. but the recipe, is a good one, and im not gonna give the fine details of it out to just anyone. chad
 
(quoted from post at 18:20:15 12/04/11) I see an ad on this forum for an IHC "H" "pulling tractor" with several specs listed which includes a statement that it is approximately 115 HP. How can that be possible from that small engine?????
Click to expand...
I drive cars for a dealer that specializes in imported cars and specially mid-high end imports. One of my favorite drives is the M35 Infinity.... 385Hp out of a 3.5 liter engine and if you don't "stick your foot in it", it's as docile as the same basic 3.5 in a Nissan Altima with about 200Hp. Amazing what they can do with engines these days. I don't doubt 115Hp can be gotten out of an H engine with enough $$$$. My wife's last car was 260 out of a 4.6 and her current one is 285Hp from 3.9... guess that's progress.
 
(quoted from post at 12:38:29 12/05/11) Hi, I am the fella who has it listed for sale. This tractor has a 300 engine, which has been bored and stroked, big cam, a lot of cyl head work. Engine was new in 2008, its 270ci at 13.5 to 1 running on pump gas and E85. Modern day science has brought the H farmall to make impressive power ranges with high performance technology. Technology that did not exist even 10 years ago is now showing up and stunning everyone! As to talk about the science behind it, would be a good discussion. Last time I had it out pulling, that H outpulled quite a few tractors with twice its cubic inch, and 50 or more hp. One being a 500ci super m in a 5000lb 4 mph class. .it was restored in 97, kept inside, paint still shines, and its a pretty straight tractor. drives nice, starts and runs excellent. its been my prized farmall for a long time, but i dont have the time i used to to take it out pulling. i know if i tallied up the recipts since 97 we put over 20,000 in it to get it to run and pull the way it does today. it has a well documented history in pulling, hours of video, and alot of untold stories that i hate to part with. dont miss out on this very nice tractor. if u wanna talk bout how we got that power out of it, then come buy it, and ill tell you. but the recipe, is a good one, and im not gonna give the fine details of it out to just anyone. chad
Click to expand...

If it's his it has it!
 
its the same tractor that won USAP classes darn near 5 years in a row. weighs 3250 empty with me on it and 5 gallons of fuel. no aluminum. i love this tractor, but, i really messed my back up in 08, and cant throw the weights anymore. chad
 
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