What headers will work with my 5.7 with a T-5 Tranny
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Joined: May 2009
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Car: 85 Z28 T-Top 36mm sway & wonderbar
Engine: TPI L98 350 W/85 Vette Stage II ECM
Transmission: W/C T-5, alum drive shaft
Axle/Gears: 9 bolt posi, 3:27, PBR's, BB LS1's
What headers will work with my 5.7 with a T-5 Tranny
I'm going to upgrade to headers soon on my 85 Z28 and I need some help on brands and part numbers that will work with a 350 / T-5. All advice on recommendations will be greatly appreciated. Thanks!
Last edited by 85 ZXX; Oct 14, 2011 at 08:39 PM.
Thread Starter
Member
iTrader: (1)
Joined: May 2009
Posts: 403
Likes: 0
Car: 85 Z28 T-Top 36mm sway & wonderbar
Engine: TPI L98 350 W/85 Vette Stage II ECM
Transmission: W/C T-5, alum drive shaft
Axle/Gears: 9 bolt posi, 3:27, PBR's, BB LS1's
Re: What headers will work with my 5.7 with a T-5 Tranny
ttt
Supreme Member
Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: What headers will work with my 5.7 with a T-5 Tranny
My summit brand work fine
Joined: Dec 2008
Posts: 2,540
Likes: 0
From: Norwalk, CA
Car: 91Z28
Engine: 5.7 ls1
Transmission: 4l60e
Axle/Gears: 3.42
Re: What headers will work with my 5.7 with a T-5 Tranny
The hooker 2055, dyno dons which both are on the classifieds right now for good prices 
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: What headers will work with my 5.7 with a T-5 Tranny
Here's what I'm using on my 350 HO Deluxe (the following system is direct fit):
Hooker 2055's (Jeg's 520-2055). Catco high-flow converter (Summit CTO-9118). Hooker catback (Summit HOK-16823HKR).
JamesC
Hooker 2055's (Jeg's 520-2055). Catco high-flow converter (Summit CTO-9118). Hooker catback (Summit HOK-16823HKR).
JamesC
Joined: Mar 2008
Posts: 557
Likes: 15
From: Lincoln, NE
Car: 86 Z28
Engine: Built 312
Transmission: T5
Axle/Gears: 10 bolt 3.42
Re: What headers will work with my 5.7 with a T-5 Tranny
Hedman 68460's here. Drivers side needed some massaging to clear the slave.
Joined: Oct 2005
Posts: 520
Likes: 1
From: Fallston, Maryland
Car: 1989 Trans Am GTA
Engine: 350
Transmission: T56
Axle/Gears: 9 Bolt 3.70
Re: What headers will work with my 5.7 with a T-5 Tranny
Hooker 2210's cleared the slave no problem.
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Joined: May 2010
Posts: 537
Likes: 31
From: Texas
Car: 85 Camaro
Engine: 454 RamJet
Transmission: LT1/T56
Axle/Gears: 8.8w/4.10
Re: What headers will work with my 5.7 with a T-5 Tranny
You didnt mention if you need the air tubes or not. Do you have a preference on long or short, and is your car lowered? I am running the Hooker 2460 and y-pipe and like there fitment (similar to the 2055 but without the air tubes and with standard flanges)
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Joined: May 2009
Posts: 403
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Car: 85 Z28 T-Top 36mm sway & wonderbar
Engine: TPI L98 350 W/85 Vette Stage II ECM
Transmission: W/C T-5, alum drive shaft
Axle/Gears: 9 bolt posi, 3:27, PBR's, BB LS1's
Re: What headers will work with my 5.7 with a T-5 Tranny
Sorry, I forgot, no AIR tubes. I need the O2 bung on the drivers side header. I do have the car lowered with Eibach Pro springs and BMR A-arms.
Supreme Member
Joined: Oct 2004
Posts: 4,528
Likes: 240
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: What headers will work with my 5.7 with a T-5 Tranny
I use
http://www.summitracing.com/parts/SUM-G9005/
Headers on my 350 no air and o2 ports
http://www.summitracing.com/parts/BIG-11102YFLT/
This Y pipe
http://www.summitracing.com/parts/SUM-G9005/
Headers on my 350 no air and o2 ports
http://www.summitracing.com/parts/BIG-11102YFLT/
This Y pipe
Thread Starter
Member
iTrader: (1)
Joined: May 2009
Posts: 403
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Car: 85 Z28 T-Top 36mm sway & wonderbar
Engine: TPI L98 350 W/85 Vette Stage II ECM
Transmission: W/C T-5, alum drive shaft
Axle/Gears: 9 bolt posi, 3:27, PBR's, BB LS1's
Re: What headers will work with my 5.7 with a T-5 Tranny
Thanks for all the help and advice friends!
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