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August 18th, 2007, 09:32 AM
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high volume front cover issues
I have had this new motor built for about 6 months and I have been chasing an oil leak forever. It turns out, my high volume front cover from Full Throttle isn't flat, and is pushing the gasket out under boost. Needless to say, this kinda sucks. I am thinking of sending the front cover back, and just replacing with a stock front cover with a booster plate. Do I need to re-shim the roller cam for the stock front cover? I really don't wanna have to do all this work a second time...I just want this damn thing to be done. The car has been out of service since July of 06 and its killing me to not be at the track.
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86 WH1 T Type: fresh short block, ARP studs and hardware, ported big valve o-ringed heads, ported manifold and headers, 206 billet roller cam, T&D 1.55 rockers, SpeedPro roller lifters, 3" THDP, 3" ATR single shot, PT54 turbo, big neck stretch stock location liquid intercooler, 50# MSD injectors, SMC progressive alky, 3200 Precision billet converter, Jimmy's Level 2 trans, Moser 31 splines, Auburn Pro diff, Moser girdle, full UMI suspension, 17" SLP ZR1 wheels, Weld Draglites on ET Drags......the list goes on! 2002 Z28: Sebring Silver, Hooker LT's, ORY, Corsa Sport exhaust, Strano springs, swaybars, Panhard rod, LCA's and 35th anniversary SS wheels a few more toys......you'll see them someday!     
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August 18th, 2007, 11:01 AM
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That's why I use only the GM covers. I also have had problems with the aftermarket high volume covers. Most of which have been poor machining tolerances.
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1987 GN, 1986 T, 1984 Hurst Oldsmobile with 1987 GN drivetrain
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August 18th, 2007, 01:37 PM
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yup....I'm thinkin they suck big floppy nuts
__________________
86 WH1 T Type: fresh short block, ARP studs and hardware, ported big valve o-ringed heads, ported manifold and headers, 206 billet roller cam, T&D 1.55 rockers, SpeedPro roller lifters, 3" THDP, 3" ATR single shot, PT54 turbo, big neck stretch stock location liquid intercooler, 50# MSD injectors, SMC progressive alky, 3200 Precision billet converter, Jimmy's Level 2 trans, Moser 31 splines, Auburn Pro diff, Moser girdle, full UMI suspension, 17" SLP ZR1 wheels, Weld Draglites on ET Drags......the list goes on! 2002 Z28: Sebring Silver, Hooker LT's, ORY, Corsa Sport exhaust, Strano springs, swaybars, Panhard rod, LCA's and 35th anniversary SS wheels a few more toys......you'll see them someday!
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August 18th, 2007, 01:55 PM
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You definitely need to reshim the roller cam if you replace the front cover - especially since you are doing it because it isn't flat so you already KNOW it will be a different distance from the block :-). Unfortunately (since I'm putting in a roller cam that also shims off the front cover), to my mind anytime you touch the water pump or front cover bolts you really ought to reshim, sigh.
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Regards, Carl Ijames carl.ijames@verizon.net
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August 18th, 2007, 03:24 PM
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Even torquing differently the bolts or reusing the gasket after you check the clearance could be an issue so becareful.
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OLD fast efi help still located at http://www3.sympatico.ca/norbz/felpro.html or email norbz@sympatico.ca 
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