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What valve covers on a 402??

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Old Mar 5, 2009 | 02:23 PM
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Default What valve covers on a 402??
The stock valve covers won't fit on L92 heads with offset rockers. I am trying to keep the coils in the stock location for stock appearance. I want to know what everyone else is using. Maybe some pics too.
Last edited by 30birdy99; Mar 5, 2009 at 02:24 PM. Reason: misspell
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Old Mar 5, 2009 | 02:26 PM
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If you are using stock rockers, the valve covers are exactly the same for the L92 as for any other LS engine....
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Old Mar 8, 2009 | 06:43 AM
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Originally Posted by John@Scoggin
If you are using stock rockers, the valve covers are exactly the same for the L92 as for any other LS engine....
Really? Everyone I've talked with had to grind some on the baffle.
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Old Mar 8, 2009 | 11:19 AM
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Yeah both baffles hit the crooked intake rockers. I will be getting the dremel out today.
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Old Mar 8, 2009 | 02:39 PM
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Originally Posted by 30birdy99
Yeah both baffles hit the crooked intake rockers. I will be getting the dremel out today.
I knew that. I guess John didn't.
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Old Mar 8, 2009 | 07:41 PM
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After the dremel, I still need to up with a way to deflect oil so it won't get sucked into the tube that goes to the throttle body. Any ideas?
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Old Mar 8, 2009 | 08:09 PM
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Get covers for an L92 engine or an LS3.
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Old Mar 9, 2009 | 08:50 AM
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I said nothing about modifying them. I just said they were the same(now). I have heard the arguement go either way. I have had customers say they had to, I have also seen them have to problems.

Gm pn 12570427 supercedes to all LS centerbolt covers...
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Old Mar 9, 2009 | 08:56 AM
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[QUOTE=Gm pn 12570427 supercedes to all LS centerbolt covers...[/QUOTE]

Does this part number have provisions for ventilation? I thought left and right would be different, because of the oil filler cap. Pictures of top and bottom would be nice in finding a solution.
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Old Mar 9, 2009 | 09:17 AM
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yah, i just put one number...i can put the other one, as they are diff from one side to the other

here is the other one 12582224 - passenger
0427 - driver
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Old Mar 9, 2009 | 09:29 PM
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http://www.ls1howto.com/index.php?article=18

That clears up alot of issues for anyone following this tread.
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