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running rough

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by KENNY, Jan 31, 2003.

  1. KENNY

    KENNY 1/2 ton status

    Joined:
    Dec 7, 2000
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    Location:
    nyc
    hello everyone, 84 k5 just installed dual exhaust from the manifolds. was running a little rough with a little lack of power before i did it and now it is a little more pronounced. recently changed the plugs,wires,coil,radiator. checked for vacuum leaks none. can it be the timing or air fuel mix. 305 engine, running msd ign.
     
  2. KENNY

    KENNY 1/2 ton status

    Joined:
    Dec 7, 2000
    Posts:
    292
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    0
    Location:
    nyc
    need a little help /forums/images/graemlins/1zhelp.gif
     

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