when i bought my swap from ebay every thing sr16ve i install it with the stock sr16ecu but with b13 harness and it work fine and then took a b13 the ecu to PAYU and he did a bin for the stock sr16 with no rev liimit and cams were at 5200 it had ssac header and 2.5 full exhaust and short ram air took it to the dyno it did 165whp soo i can tell you your friend will have funn