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Generation III Internal Engine 1997-2006 LS1 | LS6
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Cam retaining plate part number

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Old 10-03-2009, 04:11 PM
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Default Cam retaining plate part number
What is the part number for the cam retaining plate for the LS1?
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Old 10-03-2009, 07:27 PM
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There are two different plates now.

One has the bolt holes countersunk (newer style), and the other doesn't (older style). Not much of a variation, though. The part number I have is 12556437.
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Old 10-03-2009, 09:39 PM
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12589016

That is what I found.
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Old 10-03-2009, 11:10 PM
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I believe the dealership only has the newer style now. Make sure you buy new bolts to go with it, your originals won't work.
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Old 10-04-2009, 12:07 AM
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Do you know the bolt Part number?
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Old 10-04-2009, 07:58 AM
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11561455 is what I found. Only one thread on the forum I have seen with these P/Ns
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Old 10-04-2009, 01:20 PM
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When i got mine from the dealer it came with the new bolts.
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Old 10-04-2009, 02:25 PM
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Well then I just wasted 20 bucks on bolts if that is the case lol
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Old 10-04-2009, 02:50 PM
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Damn, did you tear everything up?

What rockers were you using again? I need to remember to stay away from those.
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Old 10-04-2009, 03:54 PM
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I had 3 lifters go bad, the roller started to go (stock). That was all. Cam actually looked OK but I am not taking my chances, so time to rebuild the top end.
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Old 10-04-2009, 04:04 PM
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Oh, I meant lifters. So they were the stock ones.
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Old 10-04-2009, 04:05 PM
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Yep, gonna go with LS7s since I don't have the $$ right now for the Morels.
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Old 10-04-2009, 07:39 PM
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Tighten the new retaining bolts to 12ft lbs, any higher and the plate may crack.

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Old 10-05-2009, 06:08 AM
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Thanks, I was reading that in the other thread as well. Good info.
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Old 10-05-2009, 09:56 AM
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A steel plate will crack?
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Old 10-05-2009, 10:32 AM
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Anything can crack with improper torque. The bolt seat is tapered so it is much easier to crack.
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