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  1. R

    Engine misd

    I’ve always been told if you have a miss under power it’s the spark plugs. If you have a miss at idle it’s plug wires. Does this hold true to a 98 throttle body Chevy? I don’t have a constant miss only intermittently at idle.
  2. R

    Timing advance

    I have a 98 vortex 5.7, had the engine swapped and because the timing was off got a code P1345. Distributor was a tooth off. Got timing at -2 degrees. The problem is I don’t think my timing advance is working and here’s why. It starts fine, runs fine except when you start up a grade and the...
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