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  1. J

    is ok to be driving my car with out tuning after rebuilding?

    hello guys.i would to know if is ok to be driving my car with out tuning after i rebuild the engine?this are some of the modifications.550 injector,ffim,t71turbo 40mm tial wg,fuel pressure regulater kit,JE pidtons,hks mhg,crower conecting rods,ferrea valves,