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Tbi to tpi

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Old 06-14-2018, 08:12 PM   #1  
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Join Date: Feb 2016
Location: DC metro area
Posts: 38
Car: 1987 Camaro Iroc Z
Engine: 5.0 TPI
Transmission: Automatic

Tbi to tpi

I have a 1988 Trans am with the 305 TBI and I have a 1987 Iroc Z 350 TPI. I am going to turn the iroc into my car, so I am buying all new TPI gear.

Can I use the iroc TPI to switch over to the TA? I also can use the harness from the iroc on the TA?
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Old 06-14-2018, 08:15 PM   #2  
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Join Date: Dec 2004
Location: Mile High Country !!!
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Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt


Re: Tbi to tpi

The tpi will physically bolt on. As for the harness you will have length issues battery located on the drivers side vs passengers side ccp . There might be differences in connector c100 you would need to compare the two.
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Old 06-14-2018, 08:49 PM   #3  
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Join Date: Feb 2016
Location: DC metro area
Posts: 38
Car: 1987 Camaro Iroc Z
Engine: 5.0 TPI
Transmission: Automatic

Re: Tbi to tpi

Can I use the ecm from the camaro in the TA or would it be better to buy a new one?
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Old 06-14-2018, 09:27 PM   #4  
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Join Date: Dec 2004
Location: Mile High Country !!!
Posts: 9,912
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt


Re: Tbi to tpi

You can use the same ecm but the memcal (chip) needs to be reprogrammed.
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