IH C-301 Pistons October 23, 2010 01:16PM
Can anyone tell me if there are any pistons that are 4" that will fit in a c-301 and still use the stock stroke and rods? Also; What is the compression heighth on the 301 piston? Thank you
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Re: IH C-301 Pistons October 23, 2010 02:38PM
no, not that would have any compression with a tilt valve head. might find one that would work with a straight valve head.
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Re: IH C-301 Pistons October 24, 2010 02:36PM
Don't go to a 4" bore makes a lot of extra work and problems. I sell a set of pistons that are flat top to fit the C 301. This allows you to use a factory head gasket.
If you want to go to 4" you can offset grind the crank 3/8 " down to 2" journal use a set of cockshutt buda rods out of 40 or 50 tractor.
You can also use allis chalmers 262 combine engine rods with 1969 4 barrel only Ford Windsor or Cleavland engine pistons. I cant remember which one is 4" bore. They will line up pretty close to deck height. The problem is the cylinder walls are very thin with 4" and you may have to sleeve the block. Stay with the smaller bore and it will last a lot longer with less problems.
Floyd Isbell 570 637-1311
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Re: IH C-301 Pistons October 24, 2010 03:13PM
We have been running one for 8 years now never had any trouble. 4" bore 351 ford windsor on stock rods we stroked the crank .225 to bring the pistons to the top. Straight valve head with stock head gasket and run 6000 rpms. Hold on because it goes! Use a 301 combine block.
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Re: IH C-301 Pistons October 25, 2010 12:15AM
How many head gaskets have you replaced? The fire ring hangs a little over the cylinder at 4". Bring that tractor to the Mid Atlantic Super Pull. I would like to see how it runs, sound like a tough combination.

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Posted by: admin Category: Pennsylvania Pulls Contact: Brad Peters at 717 927-6798
When: Saturday 20 November 2010
Location: Harrisburg Farm Show complex ,pennsylvania
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3&4 mph non altered tire 18.4-38 max size
all other classes cut tires 18.4-38 max tire size
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Re: IH C-301 Pistons October 25, 2010 06:26AM
We never have blown one out with this setup. We Use a fel-pro head gasket and studs in the head. Has 275 psi of compression.
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