Quote:
Originally Posted by S ECU Repair
I second BYprovider, both engines use the same ECU therefore you will not need to worry about changing or modifying the DME harness.
Afterwards you will need to remap your OEM ECU for the 3.4L 996 mapping. Otherwise you will be leaving some performance unused.
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That is incorrect, the DME will easily compensate for the additional airflow the extra 200cc's provide. Also the 996 program assumes you have the larger diameter MAF tube size that the 996 has. If the Box has it's original MAF tube size the engine will run extremely lean!