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rod bolts/change bearings?

This is a discussion on rod bolts/change bearings? within the Internal Engine forums, part of the LSx Technical Help Section category; I bought some Katech rodbolts,and was wondering if I should change the rod bearings,or if it would mess up the ...

  1. #1
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    rod bolts/change bearings?

    I bought some Katech rodbolts,and was wondering if I should change the rod bearings,or if it would mess up the balance and leave the bearings alone.If i do change them,which ones? Ive looked at the clevites in summit,but did not know which ones to get.Does any one have a part number on which clevite bearings to get
    john

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    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    rod bearings is up to you. part number for the clevite is CB-663. won't hurt.

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    Quote Originally Posted by mrr23 View Post
    rod bearings is up to you. part number for the clevite is CB-663. won't hurt.
    thanks but,the ones in jegs for ls1's all are 695-663.some have p or HD or HD10 orH1 or H10 or HN20 aafter the 663.so which one do I order?
    thanks
    john

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    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    the ones i used in my motor are CB-663H. H means hardened race bearings. P is standard factory type bearings. they can take more abuse. the 1, 10, and 20 are the undersize when you have the crank turned, or are trying to close up the gap to meet tolerances.

    without measuring the rod inner diameter versus the rod journal on the crank, the CB-663 is standard, no undersizing.

    on this page, it explains what H, P, and V means.

    http://www.jegs.com/webapp/wcs/store...10002_15526_-1

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