[OH] D port ZZ4 shorty headers
Thread Starter
Joined: May 2005
Posts: 728
Likes: 1
From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
D port ZZ4 shorty headers
My current hedmans aren't going to work without blocking off a big chunk of the port, so looking for some shorty headers and Y pipe that will work on my ZZ4 in my 91 GTA. Non emissions preferably.
Member

Joined: May 2008
Posts: 304
Likes: 3
From: Planet Oahu Hawaii
Car: 92 RS
Engine: 94 LT1 383
Transmission: T56-6 Speed
Axle/Gears: posi, 3.26:1,
Re: D port ZZ4 shorty headers
have you considered a set of Stainless steel headers long tube? I have a set made for 3rd gens. they provide great ground clearance.
let me know if your interested.
let me know if your interested.
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iTrader: (2)
Joined: May 2015
Posts: 453
Likes: 13
From: Los Angeles, CA
Car: 1992 Pontiac Trans Am Convertible
Engine: 5.0L 305ci TPI
Transmission: 5 Speed Manual, World Class T-5
Axle/Gears: 3.08
Re: D port ZZ4 shorty headers
I have a set of Doug's ceramic coated long tube headers specifically made for D-Port heads and I think they are awesome, especially when used with Earl's aluminum gaskets! I highly recommend these.
Thread Starter
Joined: May 2005
Posts: 728
Likes: 1
From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
Re: D port ZZ4 shorty headers
I'd really rather have shorties, since that is what the rest of my exhaust is set up for. If I go LT, then I'd need my exhaust redone, which is adding to the tab and I am in quite deep on this project now as it is. I am trying really hard to get this done quick, and this is my last snag on my last dollar basically, haha. I'm open to any idea if it's cheap enough, and won't cost me ground clearance or major inconveniences.
Joined: Mar 2000
Posts: 5,711
Likes: 133
From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Re: D port ZZ4 shorty headers
Here ya go.....
Picture makes them look gold but they are silver
PM me for details
Picture makes them look gold but they are silver
PM me for details
Thread Starter
Joined: May 2005
Posts: 728
Likes: 1
From: Toronto, Ohio
Car: 1991 Trans Am GTA
Engine: 355
Transmission: 4L60
Axle/Gears: 4th gen 10 bolt 3.42 posi
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