What is the big hole in my intake runner for??
07-19-2001, 10:41 PM
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What is the big hole in my intake runner for??
in my performer rpm (and most other manifolds) there is a hole tapped in the back of the manifold in one of the intake runners. What do I hook up to there??
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-=1987 Formula 350=-
Member Greater Cincinnati F-Body Association
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-=1987 Formula 350=-
Member Greater Cincinnati F-Body Association
07-19-2001, 11:03 PM
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Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
It's a vaccuum port. You can connect your brake booster to it if your carb doesn't already have a port on the back, or you can put a plug in it.
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