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4.3 tbi rebuild

  1. Fuel injection Engines
    Hey guys, my name is Mike. I have a rebuilt 4.3 TBI in my 89 S10 Blazer, and was hoping for some advice on a CEL I've been getting here lately. First off, I'll give ya the specs on the motor: Bored over .060 Sealed Power Flat top 350 Pistons Mild Comp Cam (duration=215 lift=.500) MSD ignition...