farmall M help building BIG motor !

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

Replies:

• Re: farmall M help building BIG motor ! boot 09:59:13 02/10/15 (0)
• Re: farmall M help building BIG motor ! Lee460 20:33:51 02/09/15 (0)
• Re: farmall M help building BIG motor ! oliverdiesellover 17:02:51 02/09/15 (0)
• Re: farmall M help building BIG motor ! Nebraska Kirk 14:52:39 02/09/15 (0)
• Re: farmall M help building BIG motor ! dej(Jed) 10:28:21 02/09/15 (2)
  • Re: farmall M help building BIG motor ! boot 10:35:53 02/09/15 (1)
    • Re: farmall M help building BIG motor ! dej(Jed) 05:43:46 02/10/15 (0)
• Re: farmall M help building BIG motor ! shaggy 10:16:21 02/09/15 (0)
• Re: farmall M help building BIG motor ! D Slater 05:05:39 02/09/15 (0)
• Re: farmall M help building BIG motor ! kub6040 20:47:15 02/08/15 (0)
• Re: farmall M help building BIG motor ! The tractor vet 20:44:10 02/08/15 (6)
  • Re: farmall M help building BIG motor ! boot 10:38:06 02/09/15 (5)
    • Re: farmall M help building BIG motor ! boot 11:01:15 02/09/15 (2)
      • Re: farmall M help building BIG motor ! John M 15:59:15 02/09/15 (0)
      • Re: farmall M help building BIG motor ! rustyfarmall 12:02:14 02/09/15 (0)
    • Re: farmall M help building BIG motor ! The tractor vet 10:54:20 02/09/15 (1)
      • Re: farmall M help building BIG motor ! boot 11:13:16 02/09/15 (0)
• Re: farmall M help building BIG motor ! David G 20:17:42 02/08/15 (0)
• Re: farmall M help building BIG motor ! Nebraska Kirk 19:38:47 02/08/15 (0)
• Re: farmall M help building BIG motor ! fastfarmall 19:37:12 02/08/15 (0)
• Re: farmall M help building BIG motor ! fastfarmall 19:20:11 02/08/15 (0)
• Re: farmall M help building BIG motor ! Owen Aaland 19:12:36 02/08/15 (0)

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