I was wondering if a 94 GSR engine can be used with a 93 GSR transmission and ecu. If it can be used together is there any down side to the combo.

I want to build a car for course racing, I have a extra engine and could get the trans and ecu at next to nothing.

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95 Integra GS-R
Built motor, Rev-Hard manifold, XS-Engineering T04X turbo and intercooler, Tial wastegate, STR intake mainfold, RC 550cc injectors, DFI finally installed.
12.7 @ 113mph(before built motor)
95 Toyota Supra TT - theft recovery(another race car)
00 Mercedes ML 430