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Thread: ignition

  1. #1


    im running a 470 bbc about 13-8 compression ,engine run great in my car with 7al 2 and power pro coil. I just put it in my brothers comaro and now it misses and runs terrible. he has msd 6al with blaster coil. looking for a reason to why its running so bad now, thanks for any help, I was going to run pinks all out this weekend but can't go now,car not running right. :cry: :cry:

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    May 2003
    Coldwater, MI
    that 6al/blaster combo should have no issues with that setup. Id start looking elsewhere, wiring, plugs, wires, cap,rotor. Does it have a crank trigger ? if so gap on that.

    If you still have the pro coil from your car try that also, coils do go bad sometimes.

  3. #3
    Senior Member EXPERT BUILDER
    Join Date
    Aug 2007
    Orient, OH
    Firing order? easy to get it mixed up when in a hurry or maybe dropped and cracked a plug. Start it in the dark to see if any arching wires.
    Josh VanHorne

    1964 Chevy Nova
    Worlds quickest and fastest tow truck. (9.92 @ 137)

  4. #4


    thanks for your input guys, I did start the car in the dark but didnt see no arcing anywhere. put my 7al 2 plus box in thursday morning no where to check it i left for joliet ill. first pass 10.11 poping and missing, went back to the pits and put my power pro coil on. next pass 6.05 in the 1/8 114 mph 9.50 in1/4 @142 mph. nice to be back to normal. i'll be back to 131 motorsports park now. it was frustrating there for a while. thanks again for your help, ray [email protected] high racing.

  5. Racing Junk

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