Corvette center bolt valve covers????
Thread Starter
Joined: Jul 2005
Posts: 225
Likes: 3
Car: 1989 Iroc convertible
Engine: 305
Transmission: T5
Axle/Gears: 3.08 posi
Corvette center bolt valve covers????
So I bought them off eBay. I'm in the process of striping them. Thought they were rough cast, but they seem pretty smooth to me. Is this normal for these?
Pic might not do it justice, but I can say they are much, much smoother than the upper plenum.
Pic might not do it justice, but I can say they are much, much smoother than the upper plenum.
Supreme Member
Joined: Jan 2000
Posts: 3,178
Likes: 48
From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Re: Corvette center bolt valve covers????
The covers are made of magnesium and are smooth. The texture is part of the primer/paint that was put on at the factory.
I've read on other forums that once stripped of the primer/paint, the covers have all kinds of visible casting flaws.
I've read on other forums that once stripped of the primer/paint, the covers have all kinds of visible casting flaws.
Thread Starter
Joined: Jul 2005
Posts: 225
Likes: 3
Car: 1989 Iroc convertible
Engine: 305
Transmission: T5
Axle/Gears: 3.08 posi
Re: Corvette center bolt valve covers????
I was expecting to find upper plenum roughness or worse. Guess I need to finish stripping and decide what type of finish I want. Thought paint would be my only option. Now what to do. Hmmmmm.
Joined: Oct 2006
Posts: 3,041
Likes: 8
From: West of Toronto
Car: 89 IROC
Engine: 305 TPI / ZZ4 cam
Transmission: Stage 2 700R4, LS1 driveshaft
Axle/Gears: Strange 3.42 w/ Auburn
Re: Corvette center bolt valve covers????
Here are mine, gave them a good clean, light 180 grit scuff and applied some Duplicolor Charcoal Gray Met. paint. Didn't turn out too bad. 
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