So you are attempting to use the 90 ecu with a 91 motor and a 91 harness?
There is a generation split between 1990 and 1991. The 1990 throttle bodies are different, cas/transistor wiring is also different. www.vfaq.com is your friend on this one .
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My street car runs low 11's and my race car's personal best is a mid 11....
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