OK... here are some dumb facts.
S13 Red Top was made from 89-95
S13 Black Top was made from 91-98
The Black Top does have different pin outs from the Red Top and more specifically on the later 96-98 models.
Confusion is mixed when you dont state the actuall facts when buying an engine... be very very specific... if you want a Black Top and your paying $500 more then a Red Top... Demand that you get a 96-98... and know what to look for when you get it... specifically the Pin Out on the ECU!!!!
And just so we are straight.... a 96-98 (S13) Black Top is not a 95-98 (S14) Black Top... this was recently confused in a Major Mag. (Stupid Street).
Look at your ECU Pin Out and post the number of pins per section. This was someone can help you better.
-Drew
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