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Discussion Starter · #1 ·
At high engine speeds the engine would stumble and back fire. I put in a new distributer cap and rotor,new air fliter, new fuel fliter, new sparck plugs and wires, adjusted valves and checked ingnition timing. The truck no longer backfires but stumbles and almost stalls when I give it lots of throttle after it's been running at high speed for a few minutes. Anyone can help I'm running out of ideas. :confused: :confused: :confused:
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