Holley HP EFI Conversion
11-05-2014, 04:11 PM
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Car: Trans AM GTA 1989
Engine: 383 HSR AFR195 JRC Cam280/286
Transmission: T56 Conversion
Axle/Gears: 3.27 9bolt
Holley HP EFI Conversion
Hi all!
I'm planning to swap my old 165 ecm with an Holley HP Efi kit.
Has someone already done it with his TPI 3rdgen?
At the moment I'm not sure about what I need to keep or have to reuse , for example the AC or the electric fans.
Any ideas?
And another question: Will the wiring harness which comes with Holley's kit be long enough for the ecm to be mounted where the original one was? I'd like to keep it as stock looking as possible.
greetings from Germany
Alex
I'm planning to swap my old 165 ecm with an Holley HP Efi kit.
Has someone already done it with his TPI 3rdgen?
At the moment I'm not sure about what I need to keep or have to reuse , for example the AC or the electric fans.
Any ideas?
And another question: Will the wiring harness which comes with Holley's kit be long enough for the ecm to be mounted where the original one was? I'd like to keep it as stock looking as possible.
greetings from Germany
Alex
11-12-2014, 04:42 PM
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Car: 87 monte aerocoupe
Engine: 383 HSR w/ novi 2000
Transmission: Built 4l80e circle d converter
Axle/Gears: Currie 9" 3.89 gears
Re: Holley HP EFI Conversion
The harness is more than long enough, almost enough to put in the front seat. Mine only controls the fans and fuel pump besides the motor. I know you can set up in the I/O config for the ac stuff, but you may need to change how the switches work to work properly. That part I am unsure of.
11-13-2014, 03:56 AM
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Car: Trans AM GTA 1989
Engine: 383 HSR AFR195 JRC Cam280/286
Transmission: T56 Conversion
Axle/Gears: 3.27 9bolt
Re: Holley HP EFI Conversion
Sounds good so far. Looks I'll just take a day off next week and start to rip out the stock tpi harness and some relays.
I'm ordering a Aeromotive Stealth 340 fuel pump, hopefully it can be powered by the wire from the Holley ECM and doesn't draw too much power from it.
I'll try to take as much pictures as possible. Maybe this helps others in the future.
I'm ordering a Aeromotive Stealth 340 fuel pump, hopefully it can be powered by the wire from the Holley ECM and doesn't draw too much power from it.
I'll try to take as much pictures as possible. Maybe this helps others in the future.
Last edited by PeterFeix; 11-13-2014 at 04:06 AM.
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