cleaning intake manifold
Thread Starter
Junior Member
Joined: Nov 2011
Posts: 83
Likes: 0
From: ky
Car: 1989 Trans am
Engine: LB9
Transmission: auto
Axle/Gears: 2.75
cleaning intake manifold
hey guys I I have my intake manifold off my lb9 and I figured it was a good time to clean it. what is a good way? I heard everything from soaking it in soapy water to using oven cleaner
Supreme Member
Joined: Sep 1999
Posts: 7,072
Likes: 13
From: Philly, PA
Re: cleaning intake manifold
There's plenty of way to do it effectively. Both of the ways you mentioned work fine. Don't use abrasive stuff on it like wire brushes, though. If you must use a wire brush, use a brass brush, not a steel one.
Supreme Member
Joined: Nov 2009
Posts: 1,255
Likes: 54
From: Lincoln, NE.
Car: '87 IROC
Engine: 5.7 Vortec w/ factory TPI
Transmission: WC T-5
Axle/Gears: 3.45 Posi
Re: cleaning intake manifold
Oven cleaner works well as does any quality degreaser like simple green or super clean. I try to use biodegradable stuff since I don't want to hurt my yard.
Joined: Nov 2010
Posts: 5,892
Likes: 84
From: Mantua NJ
Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: cleaning intake manifold
Funny you should ask,I did mine today(bored)I used Spray on Goofoff and a Brass brush as was mentioned earlier.
Supreme Member
Joined: Apr 2006
Posts: 4,482
Likes: 9
From: Northern, CA
Car: 1989 Iroc-Z Camaro
Engine: TBI,5.0
Transmission: Automatic 700R4
Axle/Gears: Eaton Posi,3.42,LPW Ultimate Cover
Re: cleaning intake manifold
I cleand mine with dawn dish soap while changing the intake manifold gasket. Spray painted it and the valve covers with high temp black. It came out great.
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