91 GTA 5.3 swap

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Dec 10, 2017 | 10:19 PM

3rdgenlsx

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Junior Member

Joined: Jun 2014

Posts: 11

Likes: 0

From: Hamilton ontario

Car: 1991 pontiac trans am Gta

Engine: Lb9 5.0 soon to be L98 5.7

Transmission: 700r4

Axle/Gears: 3.27

91 GTA 5.3 swap

Hi I'm 5.3 swapping my 91 GTA i dont wanna use or spend the money on headers because I'm gonna be going turbo what exhaust manifolds will fit I don't have my stock engine pulled yet so I can try them all. I have 2010 camaro manifolds c5 corvette manifolds and 98-02 manifolds. Would the 2010 camaro ones fit or no

Dec 12, 2017 | 11:52 AM

redmaroz

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iTrader: (4)

Joined: May 2013

Posts: 249

Likes: 16

From: Indiana

Car: 92 Z28

Engine: ls3

Transmission: t56

Axle/Gears: 4.11

Re: 91 GTA 5.3 swap

The 2010 manifolds will not work, they dump in the wrong area. I am not sure about the c5 manifolds. Your best bet will be to use the 98-02 fbody manifolds.