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350 stumble in the engine

Discussion in 'The Garage' started by mcvaaahhh, Nov 6, 2004.

  1. mcvaaahhh

    mcvaaahhh Registered Member

    Joined:
    Nov 2, 2004
    Posts:
    5
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    Location:
    Lakewood, CO
    I have an 85 K5 with a 350. It was rebuilt about 17k ago and I'm having a serious engine stumble problem. The truck starts and idles just fine, but when I accelerate I get a big stumble and a popping noise out of the exhaust.
    I replaced:
    Cap and Rotor
    Plugs
    Wires
    Air and Fuel filters
    Oil change.

    I just bought the truck less than a week ago. It came from CA so it may need to be adjusted for high altitude. I'm going to check the timing, what should it be set at?

    This is the first carbeurated (sp?) vehicle I've ever owned, so I'm not really sure what to do with it. /forums/images/graemlins/dunno.gif

    Thanks a bunch. /forums/images/graemlins/thumb.gif
     
  2. Corey 78K5

    Corey 78K5 1 ton status

    Joined:
    Feb 17, 2000
    Posts:
    13,055
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    Location:
    Humboldt County, CA
    Timing would be 8 BTDC. You may need to rejet the carb for the altitude as well.
     

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