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Surprised nobody mentioned how easy it is to use the junkyard PCM and harness, and keep the SMPI!

Rick


Not to steal the thread but lets say i have a 98 engine trans and the engine bay harness. could i just use another computer from a 5.9 or does it all have to be from the same engine?




96-up: If everything remains stock (fuel pressure, injectors, etc.) the computer should be for the same displacement as the engine you're using. If the computer is from at A.T. truck, you must have a "RE" trans (electronic gov.) or it will go into limp (pulls back spark). The fix? Just use a M.T. computer.

Rick