OBD 1 to OBD 2
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Junior Member
Joined: Dec 2008
Posts: 2
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OBD 1 to OBD 2
hey guys I'm doing an engine swap on my car and need some help here. background: its a 1991 firebird 3.1L V6...I have a 383TPI built sitting I'm going to put in when I get out of school soon. I have all the wiring and new computer but I was wondering what all it would take to convert my OBD1 connection to an updated OBD2...What is needed? How do I go about this? Thanks
Senior Member
Joined: Aug 2005
Posts: 615
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From: Beautiful Tunnel Hill Georgia
Car: 67 Firebird Convertible
Engine: LB9
Transmission: 700R4
Axle/Gears: 3.55
Re: OBD 1 to OBD 2
https://www.thirdgen.org/forums/tpi/...-opinions.html
Mike@eficonnection.com can build you an overlay harness to use the 0411 PCM.
Mike@eficonnection.com can build you an overlay harness to use the 0411 PCM.
Junior Member
Joined: Apr 2009
Posts: 22
Likes: 0
From: Jacksonville,FL
Car: 89 Trans am GTA
Engine: 350
Transmission: 700R4
Axle/Gears: not sure
Re: OBD 1 to OBD 2
can't you just use a stock OBD2 wire harness,and ECM,and then just change the other sensors.also possibly change the throttle body to the newer style?
Senior Member
Joined: Aug 2005
Posts: 615
Likes: 0
From: Beautiful Tunnel Hill Georgia
Car: 67 Firebird Convertible
Engine: LB9
Transmission: 700R4
Axle/Gears: 3.55
Re: OBD 1 to OBD 2
The original van harness I started to use in my 41 pickup looked like crap. The harness ran all over the top of engine.
S10Wildside built a killer harness that you can hardly see.
S10Wildside built a killer harness that you can hardly see.
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