Quote:
Originally Posted by CTP
I installed a used 82k mile long block GEM motor. The only parts I switched over from the Callaway engine are: flywheel, upper manifold and plenum, coil pack, MAF and fuel rail. I realise the system is designed for use with all of the intake parts but it seemed promising that my code count deminished with the remedies applied so far. Are the heads on the Callaway so different? Could I swap the ECU with a standard GEMS unit to resolve?
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The ONLY thing you could have used was the short block. The heads and intake are port matched, and the intake gasket for the Callaway is different.
There are other differences...I have the new product book at home from 99. But I can tell you if you used "regular" 4.6 heads and intake gasket, It isnt gonna work right. This isnt a ECM problem.
Edit... You used the non callway intake and heads? The correct fix is to use the right parts. Replacing your PROM would have uncertain results, and is kind of ghetto.
