87chevyon42s
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- Joined
- Mar 24, 2003
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ok i have an 1987 chevy 1 ton it had a tbi350 in it i have now put in a 1990 tbi454 out of the newer body style the engine harness from the tbi454 is still on the motor i dont have the tbi 350 harness i want to know should i just make the tbi454 work or should i try and get the tbi350 harness one thing is that the tbi454 is all hooked up but the big plug at the firewall is different should i just re-pin the tbi454 plug to the tbi350 plug also if the best way to do it is to have the tbi350 harness would the tbi454 computer plug into it i guess the real question is whats the easiest and best way thanks
