Re: Aces

Posted by Aces on March 19, 2004 at 08:31:55 from (67.0.17.44):

In Reply to: Aces posted by ChadS on March 19, 2004 at 07:34:01:

Chad. I worked for 2 IH dealers back in the 60's and 70's for a living that is, and to work on some JD's at the first place because the shop manager was an old JD man, that's why I love the IH I sould over haul an H or M and have it running and read to go before he could get and A or B JD apart and the rear ends on them don't want any part of them. Now that you know that about your question. I don't think your are on the right track here. This is why I say that. The difference between the 460 and 560 gas or desiel is stroke. So what they did to do this is the rist pin on the 560 is just below the oil ring maybe 1/8" where the rist pin on the 460 is maybe 1/2" below the oil ring that keeps the compression ratio close to the same. The rods are the same part number, so all i did with the 460 to make them come alive was put the 560 crank and pistons in the 460 block and I could get same horse as 560. and with so more RPM's I could get in the high 60's for HP on either. If I put on 706 exhaust manifold on the 560 I could get 70 out of 560 gas most always got over 70 with 560 desiel with about 2100 RPM. Dd put many M$W turbo's on both 460, 560, and 706 with 282D had a 460 with 282D running 105 HP. Never did more with gas than exhaust manifold. So for your question I don't think you will gain, don't think you can take enough off top of piston to make up for location of rist pin when rods are the same.

Follow Ups:

• Re: Re: Aces ChadS 13:09:13 03/19/04 (0)

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