454 Aftermarket Intake Manifold

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Posted by Chris Ruef on June 13, 1998 at 09:48:57:

My 76 Chevrolet C-30 PU was in need of a little more towing punch so I purchased a Performer intake manifold and carb and Comp Cams "RV" profile camshaft. The truck ran beautifully, EXCEPT suddenly I'm using a quart of oil every 175 miles. No drips, no visible smoke but #1 plug is almost wet with oil! Must have improperly installed the intake and we're sucking oil from the lifter valley right into the combustion chamber?
Before my last trip, I had a mechanic re-install the intake manifold and my wet plug moved over to #5 plug!!
Could my 76 454 have a higher deck height that would cause this intake to never seal properly?
Anybody else have a similar problem?
Thanks!
Chris

Follow Ups:

Re: 454 Aftermarket Intake Manifold jorge pohl ortiz 18:24:52 11/05/98 (0)
Re: 454 Aftermarket Intake Manifold Jack Gypin 16:02:56 6/30/98 (0)
TRY a GM gasket PARTSMASTER 00:51:23 6/16/98 (0)

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: My 76 Chevrolet C-30 PU was in need of a little more towing punch so I purchased a Performer intake manifold and carb and Comp Cams "RV" profile camshaft. The truck ran beautifully, EXCEPT suddenly I'm using a quart of oil every 175 miles. No drips, no visible smoke but #1 plug is almost wet with oil! Must have improperly installed the intake and we're sucking oil from the lifter valley right into the combustion chamber? : Before my last trip, I had a mechanic re-install the intake manifold and my wet plug moved over to #5 plug!! : Could my 76 454 have a higher deck height that would cause this intake to never seal properly? : Anybody else have a similar problem? : Thanks! : Chris

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