Re: 460 gas engine questions,,,

Posted by ChadS on November 02, 2004 at 09:04:12 from (66.228.96.233):

In Reply to: Re: 460 gas engine questions,,, posted by Aces on November 02, 2004 at 08:20:24:

I was looking through a Clevite piston spec book a few mins ago,, Here is what I found.
C-263 Sleeveless combine/cotton picker engine
Compression height of 2.024, now that engine, has the same crank as the 560-806. 4.31 stroke??
That is the engine I have for my 460H puller. Out of a 403 combine,, books say is it a wierd engine for some reason,, listed all by its self in the book.
the C-221 (460) had a 2.328 compression height, with the same rods as all the 6's, but the short stroke crank. So the difference in the 2 pistons are .304, the 460 piston is .304 taller than the C-263. I have a mill, so I was thinking of reamachining the 460 pistons, to match the 2.024 compression height of the 263. What this will do is make the domes of the pistons taller and fill up more of the compression chamber, after I re machine them to fit the head. Right now, my C-263 has 155 psi of compression, and I am shooting for 200+ psi of compression by doing this with the pistons. they will be fire crater pistons, but with a .304 taller dome than the 263 piston. Since IH made so many different parts for all of their engines, and learned over the years that if one looked at all the info on paper, and tried to make performance parts, from what is already there, and could be used, and fabricated at pennies of the cost to have pistons forged, or the cranks to be stroked. I know this is more for the pulling forum here,, but, without IH mechanics who worked and kept them going, who else would know what could be interchanged, and make a performer in the fields, or on the pulling tracks, using 100% IH parts, and a bit of technology. The potential for the red tractors as far as the engine parts are concerned, I think IH has some of the best performance parts options, if one chose to look in that direction.. So, many options,, it is like working on a Rubix cube, trying to make all the pieces come together. LOL. What do ya think? ChadS

Follow Ups:

• Re: 460 gas engine questions,,, rustyfarmall 10:20:37 11/02/04 (0)

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