Header Installation
Thread Starter
Senior Member
Joined: Oct 2005
Posts: 535
Likes: 1
From: Cincinnati, Ohio
Car: 1989 Iroc Z
Engine: 496 BBC
Transmission: th400
Axle/Gears: 4.11
Header Installation
Holy **** putting headers on is a bitch. It took us 3 hours just to get the exhaust manifolds off and all the other bullshit that surrounds it.. But my question is that do i need the small metal lines that go into the old exhaust manifolds?? pic included
Supreme Member
Joined: Jun 2006
Posts: 2,199
Likes: 1
From: West-Central
Car: 91 Trans am
Engine: built 360 TBI
Transmission: built 700r4
Axle/Gears: 10bolt/3.23
Re: Header Installation
It is better and simpler to keep the air sistem functional. It is also required in most of the world for passing inspections.
Joined: Nov 2005
Posts: 1,946
Likes: 0
From: Sacramento
Car: 91 RS
Engine: 350 TBI
Transmission: WC T5
Axle/Gears: 3.42 Posi
Re: Header Installation
There is most likely nothing you can do with those lines that attach to the old manifolds. Your new headers either came with their own AIR lines, or they didn't. If they did, connect them up to the existing system just as the old lines were. If they didn't, you obviously don't have underhood inspections and might as well just delete that part of the system.
Thread Starter
Senior Member
Joined: Oct 2005
Posts: 535
Likes: 1
From: Cincinnati, Ohio
Car: 1989 Iroc Z
Engine: 496 BBC
Transmission: th400
Axle/Gears: 4.11
Re: Header Installation
Yea i bought Hooker Headers and the matching 3" y-pipe. Its going to be pretty loud since its bypassing the cat. Ill have a video clip when im finished
Thread Starter
Senior Member
Joined: Oct 2005
Posts: 535
Likes: 1
From: Cincinnati, Ohio
Car: 1989 Iroc Z
Engine: 496 BBC
Transmission: th400
Axle/Gears: 4.11
Re: Header Installation
Finally got the car up and running but now my problem is that the car is missing. It stalls and flutters with the rpms when you mash it to the floor. I changed the plugs and custom fitted all of them and im guessing its not receiving a good connection? Does it sound like a cylinder not firing or could it be not getting enough backpressure?? etc... My smog pump is disconnected but other than that everything is back up the way it should be.. the only error code going off is the oxygen sensor but its reading fine when i hook it up to the laptop..
Any ideas?
Any ideas?
Re: Header Installation
----------
Finally got the car up and running but now my problem is that the car is missing. It stalls and flutters with the rpms when you mash it to the floor. I changed the plugs and custom fitted all of them and im guessing its not receiving a good connection? Does it sound like a cylinder not firing or could it be not getting enough backpressure?? etc... My smog pump is disconnected but other than that everything is back up the way it should be.. the only error code going off is the oxygen sensor but its reading fine when i hook it up to the laptop..
Any ideas?
Any ideas?
Last edited by SMKNTRS; Jul 9, 2007 at 08:15 PM. Reason: Automerged Doublepost
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Thread Starter
Senior Member
Joined: Oct 2005
Posts: 535
Likes: 1
From: Cincinnati, Ohio
Car: 1989 Iroc Z
Engine: 496 BBC
Transmission: th400
Axle/Gears: 4.11
Re: Header Installation
I'm not sure which ones would be messed up? Its weird because when the car first warms up it runs all 8 cylinders fine but when it warms up it stutters and and doesnt want to hardly move. We discovered we had some cracked spark plugs but we fixed them and it seemed to fix the problem until we kept on driving.. My guess is that we bumped the distributer and its running really advanced but its late and I can't check.. And its not arching
Thanks for any help
Thanks for any help
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