Any1 running no CATS exhaust?
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Joined: Jun 2006
Posts: 405
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From: Nawlins
Car: 86 Camaro
Engine: '03 4.8 vortec
Transmission: 4l60e
Axle/Gears: 3.42
Any1 running no CATS exhaust?
to all who are running exhaust/headers with no cats converter are you having any problems because I plan on running the O2 sensors but with no cats.
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Joined: Jan 2006
Posts: 366
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From: Pittsburgh
Car: 1987 firebird
Engine: 1995 lt1 383
Transmission: 4l60e
Axle/Gears: moser 9" with 3.70
Re: Any1 running no CATS exhaust?
Why would you have any problems with the O2s? Most guys around here run no cats, it will not effect the O2s in any way.
Supreme Member
Joined: Mar 2004
Posts: 2,519
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From: In the Garage
Car: Camaro
Engine: 6.2L
Transmission: T56
Re: Any1 running no CATS exhaust?
because I plan on running the O2 sensors but with no cats.
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Joined: May 2004
Posts: 2,924
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: Any1 running no CATS exhaust?
I'm running headers, no cats and not a problem one. But then again, I don't have rear O2s, only front in the headers.
Joined: Sep 2002
Posts: 3,685
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From: PA
Car: 86 Trans AM
Engine: LS1 (not stock...)
Transmission: Built T56
Axle/Gears: Strange 12-bolt w/ 3.73
Re: Any1 running no CATS exhaust?
Long tubes, front O2s, no CATS, no problems. Have the rear O2s programmed out of the PCM, or buy O2 simulators for a quick fix. Ide still get it programmed out at some point though.
J.
J.
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