What ECM/ECU to use?
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What ECM/ECU to use?
I'm helping a friend do a TPI swap to his 1991 RS. It currently has the stock 305 throttle body motor. He has a complete tuned-port setup from an 89 IROC (which is MASS air). If he uses the (non-speed air ECM and ECU), will his 1991 (factory) guages work? Or, will he have to use a speed density TPI setup and a 1991-1992 Z-28 ECM? Any other problems to look out for? Any help would be GREATLY appreciated!!
Thanks again guys!!
Mike
Thanks again guys!!
Mike
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