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Installing complete exhaust system

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Old Jul 8, 2003 | 08:20 PM
  #1  
Dante93GTZ's Avatar
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
Installing complete exhaust system

I am going to attempt to remove and replace my exhaust system in my garage.

I am going to just cut the old exhaust oil. Can anyone tell me if they think my car being on ramps will be enough?
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Old Jul 8, 2003 | 11:52 PM
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From: Glen Allen, VA
it will be enough.
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Old Jul 9, 2003 | 01:22 AM
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
After a huge ordeal just getting the car on ramps out back and jack stands up front - I'm calling it a night. Granted, we had to clean the garage first tho...

Anyhoo - We're gonna get started tomorrow on the exhuast.

Can anyone tell me what the first step of the process would be? I'm thinking of just cutting the old exhaust out, not saving it.
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Old Jul 10, 2003 | 03:09 AM
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From: Maryland; USA
my muffler was shot, and if i had a cutting tool i would of cut it off but i lossened up the band clamp and got it off, the hardest for me was getting the stupid stock 1 piece i-pipe out from under the car. but after some twisting and dropping the panhard bar and the bar ontop of it it came out fairly well. i would start from the back to the front. i had to use my car every day almost so i had to do exhaust over a whole weekend.
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Old Jul 11, 2003 | 06:49 AM
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From: Springfield, MO
Car: 92 T/A VERT
Engine: LB9
Transmission: AUTO
Axle/Gears: 7.5 / 3.42's
Do yourself a favor and get or rent a sawzall, I cut my entire exhaust system out in NO time at all. Installing the slp headers on the other hand.......
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Old Jul 11, 2003 | 09:07 AM
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
I started the project 2 days ago. The entire stock exhaust system minus the manifolds is out. I'm having severe problems getting to some of the bolts.

Other than that, my air tools have worked relatively well.
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Old Jul 15, 2003 | 02:30 PM
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From: A STATE WITH NO EMMISIONS LAWS!!!!!
Car: 1986 Z28
Engine: LG4 305ci
Transmission: T5
Was taking off the y-pipe tough? i have to take mine off to replace it and the studs that hold it to the manifolds look intimidating. Were you able to get yours off w/o breaking them? and what tools did ya use? thanks....
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Old Jul 15, 2003 | 02:34 PM
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
The Y-Pipe came off really easy. I have already disconnected the cat-back, so that made it easier, but I don't see any problems leaving it on.

Anyway, I believe that all I used was an extension and a deep 15mm socket. That was for the actual nuts/studs holding the Y-Pipe to the manifolds. The only other thing was like 1 15mm bolt/nut holding the cat up. Once those 5 bolts were out, the Y-Pipe fell down.
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Old Jul 15, 2003 | 02:37 PM
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From: A STATE WITH NO EMMISIONS LAWS!!!!!
Car: 1986 Z28
Engine: LG4 305ci
Transmission: T5
and all this was done with the car elevated on jack stands right?
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Old Jul 15, 2003 | 02:41 PM
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
Just like this:

Ramps out back, stands in front. I could fit pretty easy under it w/o any real discomfort.
Attached Thumbnails Installing complete exhaust system-image050.jpg  
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Old Jul 15, 2003 | 02:44 PM
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From: A STATE WITH NO EMMISIONS LAWS!!!!!
Car: 1986 Z28
Engine: LG4 305ci
Transmission: T5
thanks a lot, i have to take mine off soon, was your y pipe the orginal one? if so wasnt it rusted pretty badly? i am really afraid if i use my ratchet and really reef on it it'll break off. was yours original and rusty?
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Old Jul 15, 2003 | 02:49 PM
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
It was the original as far as I could tell.

I think I put some penetrating oil on it. Just the $2 can stuff worked for me.

I used a breaker bar over my ratchet too.
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Old Jul 15, 2003 | 02:51 PM
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From: A STATE WITH NO EMMISIONS LAWS!!!!!
Car: 1986 Z28
Engine: LG4 305ci
Transmission: T5
thanks a lot man, i appreciate it. im gonna have to try it out this weekend. hey would yu know if the stock i pipe would get in the way of taking the tranny out? its a T5, again, thanks alot
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Old Jul 16, 2003 | 08:21 PM
  #14  
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From: A STATE WITH NO EMMISIONS LAWS!!!!!
Car: 1986 Z28
Engine: LG4 305ci
Transmission: T5
Well, last night i went at it, propped the car up and sprayed the bolts with oil. used a breaker bar and the driver side both popped off perfectly, then i moved to the passenger side, first try, BAM, broke the damned stud right in half. already set up an appointment with my local shop to have them remove it. but thanks for all your help, i wouldve had to take it to a shop ne way.
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Old Jul 16, 2003 | 08:29 PM
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From: East Tennessee
Car: 1992 Z28 Heritage Edition
Engine: L98
Transmission: T56
Axle/Gears: 3.23:1
Sorry 'bout the bad luck. Hopefully the shop'll get ya set back up.
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