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93 vortech V-6 w/choppy idle
93 S-10 blazer H/O Vortech v-6 3k miles on rebuild, great power, no noises, has rough (not stalling) idle. New fuel pump/filter/ plugs, wires, cap, and rotor. 21 mpg avg. Any thoughts? Timing was set also.
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well how high is it idling? actually... if it's a rough idle it's probably because it's idling it a low RPM range. when you redid the timing did you make sure to turn the distributor cap in the proper direction to try and line up the firing order properly? i know chevrolet distributors have to be turned just the right way clockwise to make things right. now when you redid all the other stuff with the engine rebuild did you rebuild the fuel injectors and the throttle body? a rough idle is usually a sign of an engine running too lean and not enough fuel getting into the engine. i say check your injectors and throttle first then come back to me.
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