V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

These headers will work right?

Old Jan 20, 2006 | 11:49 PM
  #1  
V8 Slayer's Avatar
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Joined: Dec 2004
Posts: 909
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From: New York
Car: 91 Firebird
Engine: 3.1 V6
Transmission: TH-700-R4
These headers will work right?

Have the credit card in my hand, need the green light.

These will work for the 3.1 and be smog legal correct?

http://store.summitracing.com/defaul...=egnsearch.asp


What inlet size of the cat will be needed to work with that Y-Pipe?

Last edited by V8 Slayer; Jan 20, 2006 at 11:54 PM.
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Old Jan 21, 2006 | 01:57 AM
  #2  
Naft's Avatar
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Joined: Oct 2004
Posts: 539
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From: Chico, CA
Car: 89 Firebird, 92 RS
Engine: 2.8L MPFI, 355 TPI
Transmission: t-5, t-5
Axle/Gears: open 3.42, posi 3.42
not smog legal for a 90-92.
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Old Jan 21, 2006 | 03:27 AM
  #3  
87CamaroMan's Avatar
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Joined: May 2003
Posts: 379
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From: Johnstown, PA.
Car: Chevy Cobalt & Camaro
Engine: 2.2 DOHC/3.1
Transmission: Not so slushy slush box/Slush Box
Axle/Gears: Stock 3.23
All you meen is that they arn't "smog legal" in CA right? But they will bolt up?
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Old Jan 21, 2006 | 06:58 AM
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From: AR
Car: 1991 Camaro RS Vert
Engine: 350 S-TPI
Transmission: T5
Axle/Gears: GU5/G80/J65
Yes they will bolt up. May have to remove your smog pump.

I wrote a big long tech thing on how to install them.
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Old Jan 21, 2006 | 03:44 PM
  #5  
Naft's Avatar
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Joined: Oct 2004
Posts: 539
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From: Chico, CA
Car: 89 Firebird, 92 RS
Engine: 2.8L MPFI, 355 TPI
Transmission: t-5, t-5
Axle/Gears: open 3.42, posi 3.42
not smog legal if there is a visual inspection, so yeah probably just california.
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