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c3w

  1. 5.0L Tech
    i have an 88 mustang 5.0, i want to do away with the speed density system. i happened upon a wrecked 93 5.0 and grabbed the ecu and mass air meter out of it, and the wiring kit is in the mail. question: the ecu is marked c3w, will it work in my car? the donor car was automatic and my car is...
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