Anyone here running f body manifolds?
10-18-2018, 07:38 AM
#1
Anyone here running f body manifolds?
I’m needing some pics of exhaust set ups with the factory ls1 manifolds and y pipe. I’m not seeing any good way to route this and have clearance in all the right places.
10-18-2018, 08:02 AM
#2
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Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: Anyone here running f body manifolds?
I am. I ran my exhaust just the like stock TPI with the F-body manifolds. I actually used a Magnaflow stainless Y pipe and modified it to work with the 4th gen manifolds.
10-18-2018, 08:33 AM
#3
Re: Anyone here running f body manifolds?
I still may go this route if I can’t find anything better.
Last edited by Billgluckman; 10-18-2018 at 08:37 AM.
10-18-2018, 01:23 PM
#4
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Car: 1989 Firebird
Engine: 5.7 LS1
Transmission: T56
Re: Anyone here running f body manifolds?
I've got stock 2000 manifolds with stock 2000 cats on mine. But I'm running a BMR K member, I don't think the cats would of worked with the stock kmemeber. I cut the pipe on the cats and re clocked them so they fit. Which changed everything down stream. So I extended the pipe on the driver side so the flange was in a wider area. The y pipe is custom (and ugly) -- that is on my to redo list once I get everything else done (I'll probably take it to a muffler shop) tack welding exhaust laying under the car wasn't my idea of fun. I cobbled it together using pipe from the donor car and the thirdgen.
There are a few pictures in my build thread.
https://www.thirdgen.org/forums/ltx-...ter-years.html
There are a few pictures in my build thread.
https://www.thirdgen.org/forums/ltx-...ter-years.html
10-18-2018, 02:08 PM
#5
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Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: Anyone here running f body manifolds?
I have a stock crossmember, and one of the Holley pans (actually equivalent, but it's essentially the same) and I am running between the oil pan and the crossmember, just like a stock TPI
10-18-2018, 03:07 PM
#6
Re: Anyone here running f body manifolds?
I've got stock 2000 manifolds with stock 2000 cats on mine. But I'm running a BMR K member, I don't think the cats would of worked with the stock kmemeber. I cut the pipe on the cats and re clocked them so they fit. Which changed everything down stream. So I extended the pipe on the driver side so the flange was in a wider area. The y pipe is custom (and ugly) -- that is on my to redo list once I get everything else done (I'll probably take it to a muffler shop) tack welding exhaust laying under the car wasn't my idea of fun. I cobbled it together using pipe from the donor car and the thirdgen.
There are a few pictures in my build thread.
https://www.thirdgen.org/forums/ltx-...ter-years.html
There are a few pictures in my build thread.
https://www.thirdgen.org/forums/ltx-...ter-years.html
10-18-2018, 03:08 PM
#7
Re: Anyone here running f body manifolds?
Dang my pan is the f body pan and factory k member. I’ve got like an inch of clearance between them.
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