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Thread: Crossfire cam???
          
   
   

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  1. #1
    RSILVER is offline CHR Member Visit my Photo Gallery
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    Crossfire cam???

     



    Hello, I'm new to the forum and would like to give a howdy from Indiana. I just recently built a 454. The motor is in a 1981 GMC Crewcab 1 ton 4x4. I had a friend help me pick out the parts on this project (he knows alot more than I do). So anyway I put the motor in and were told the cam was a crossfire cam and you had to switch the #4 and #7 plug wires. My buddy's were confused because they never heard of this before. We have it running but we can not get it to idle right, we messed with the carb and tried to set the timing but with no luck. Once the motor gets warm and you shut off the truck and try to restart it, it cranks very slow (like the timing is off) and eventually start. It will not sit there and idle, it will rev up and then slow down, like its hunting for the sweet spot. I have asked all my gear head buddy's and no one has any clue on the problem. Any help or ideas will be appreciated. Thanks!!

  2. #2
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Ok, so what are the specs on the cam, was it degreed when installed or just put in??? What kind of carb are you running? What do you have the initial timing set at?
    Yesterday is history, tomorrow is a mystery, Live for Today!
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  3. #3
    RSILVER is offline CHR Member Visit my Photo Gallery
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    Ok, ya I'm in the process of trying to get ahold of the guy I bought the cam from to get the paper. It was degreed when installed. I'm running a Demon Carb 850cfm. I will get back with you once I get the paper on the cam. THANKS.

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