upper plenum!?
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Junior Member
Joined: May 2008
Posts: 31
Likes: 0
From: virginia beach, va
Car: 92 25th anniversary z28!!
Engine: 5.7L 350
Transmission: 700R
Axle/Gears: stock
upper plenum!?
i am putting on new edelbrock high flow headers and intake manifold and i would like to put on a performance plenum but am having trouble finding any!! any suggestions would be great thanks!! also i am having trouble taking off the fuel rail and injectors its acting like it is stuck any suggestions?
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: upper plenum!?
http://www.corvetteplenum.com/
or spend a couple of hours with a die grinder for free as most do.
Joined: Feb 2002
Posts: 3,462
Likes: 4
From: N. Illinois
Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Re: upper plenum!?
I've never heard of an aftermarket plenum for our cars. Either port what you have or send it out. You could also have one custom made. Depends on how much money you have to burn.
There are 5 bolts holding the fuel rail to the manifold. 4 hold the rail and 1 holds the input/output tubes at the front of the manifold. If all 5 are out then go ahead and start prying. The injectors get stuck after years of being there.
There are 5 bolts holding the fuel rail to the manifold. 4 hold the rail and 1 holds the input/output tubes at the front of the manifold. If all 5 are out then go ahead and start prying. The injectors get stuck after years of being there.
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