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Farmall & IHC Tractors Discussion Board

farmall M help building BIG motor !


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Posted by boot on February 08, 2015 at 19:02:19 from (64.121.208.81):

Hi, new here, but it looks like a great place to be.

I have a lot of engine building experience ( cars, trucks, boats etc.) But this M, I don't know what we can get away with. Budget is reasonable. Horse power is critical ! :twisted:

I believe the M is 248 cubic inch. Its distillate, low compression. It has a big hump on top of the piston. Looks like we need an LP head. How much can be shaved off that to raise compression? Willing to have ported and bigger valves installed. How much can you deck the block? Someone mentioned boring the block and installing larger sleeves from the 450 gas (280 inch) ? Is that right? Or bore it out and have custom sleeves and pistons made even bigger? Will have a cam made for it. LP manifolds also ported. And then what to do with carb?

We want to go big. Big cubic inch ( 300 in. ?) high compression (10 to1 or more), port everything, balance everything, slick coat everything, cryo the crank for strength, make a copper head gasket (thin) etc.

Any suggesions would be great. But please don't guess..

Thanks, Joe


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Today's Featured Article - Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV. ... [Read Article]

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