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  1. LT1 | LT4 | L99 Engine Tech
    I have a 93 firebird with a pcm of the matching year that I am currently rebuilding from the ground up. The engine is out and I need a new transmission anyway so I think It would be a good idea to change the, arguably, annoying chip pcm to a 95 Pcm out of a camero. What all would I have to do to...
  2. LT1 | LT4 | L99 Engine Tech
    What all wiring adapters do I need to swap a 95 wiring harness into my 93 I know the opti, iac, coil, wiring plugs are different what can I do besides buy a 93 harness to make this 95 work? Can I buy a 95 coil will it work with my opti? Thx for all the answers...
  3. Automatic Transmissions | Torque Converters
    hay everyone, I have a pontiac firebird 94 with lt1 after a several trans rebuilds i decided to swap the 4L60e to 4L80e the trans that i got have 2 speed sensors and i didn’t know how to connect them, on the ECU i got red, black, gray and blue connectors Someone can help me with that?
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