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  #1  
Old 05-15-2009, 04:56 AM
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2Bad4Ya 2Bad4Ya is offline
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Default Valve Cover Clearance

I have a problem, I ordered the GM Performance 12480127 valve covers to go on my 327 w/roller rockers, and of course the baffle seems to hit the rockers. Even with the rocker horizontal and neither end at the apex of its lift the cover looks about 2 inches too short.

I thought about grinding off the baffle, but then if I install grommet and push a breather into the opening the breather would possibly hit the rocker, no?

The problem is GM does not make this valve cover in a tall version and have the same finish, the tall ones all seem to be powder coated. I was trying to keep the engine looking black, and aluminum.

Any suggestions on how to proceed, or ideas for valve covers would help, thanx!



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Old 05-15-2009, 05:19 AM
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well guess I did not look hard enough. There is a tall version that looks like the short version. The images I found online of the tall one did not look like right, but according to my local shop they are the same, just with no oil/pcv holes.

He also said the short and tall version are only 1 inch different, and if I had the short ones just run spacers... Anyone else running the short covers with roller rockers, and if so how did you do it?
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Old 05-15-2009, 06:03 AM
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I've heard of people running two gaskets to gain a little more clearance. I also believe there are thicker gaskets.

May work if you're close.

You could always just run stock rockers.
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Old 05-17-2009, 08:17 AM
thedude327 thedude327 is offline
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Here's a spacer kit that will allow you to use the valve covers you already bought. $55.00 plus shipping. PM me if interested.

Paul

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Old 05-17-2009, 11:55 AM
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We decided to just return them instead of buying spacers, and get some new tll ones.
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Old 05-18-2009, 02:17 PM
mike23109 mike23109 is offline
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When you get the tall ones you have to drill your own holes for the oil fill/PCV. I've tried several different types of rubber baffles/grommets and none of them are worth a damn. Summit offers a screw in aluminum baffle that has worked fine for me. Good luck! Mike
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