Rear plenum seal...
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Joined: Jul 2004
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Car: 1984 Camaro on steroids/ 1987 iroc-z28 5 speed.
Engine: 383 nitrous motor / poindexter 305
Transmission: Th350
Rear plenum seal...
I have always been a carburator guy and just bought a TPI daily driver. The rear intake seal seems to be leaking oil. Is this fairly common, or should I be looking for somethning else too?
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Joined: Jun 2000
Posts: 200
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From: Bethlehem, Ga
Car: '88 Trans Am GTA
Engine: 5.7L L98
Transmission: 700r4
Axle/Gears: 3.27 Aussie 9 Bolt
It's common. You'll have to take the intake base off to fix it. You'll only get gaskets to mate the heads with the base. For the front and back, use a thick bead of RTV. I like to lay mine on really thick so it comes out when you tighten down the base. After it dries, I'll trim it flush with a razor blade so it doesn't look like crap.
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