...454 tbi do I have to repl? I have a chevy 1991 k5 blazer with a 350 tbi motor. And I want to replace it with a 454 tbi motor. Do I have to replace the engine harness and ecu also?
...454 tbi do I have to repl? I have a chevy 1991 k5 blazer with a 350 tbi motor. And I want to replace it with a 454 tbi motor. Do I have to replace the engine harness and ecu also?
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