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spark knock

  1. V6 Talk
    Hey, I've been getting misfires on cylinder 4 a lot. I've replaced the coil pack, spark plugs, and wires. I'm thinking I might have a bad fuel injector. Any other ideas?
  2. 5.0L Tech
    My '86 gt is running funny. it wont idle right it bounces form 200rms to 1000rpms n stalls. when i go to take off in first grear its very slugish like its totally missfiring. here is the catch when i hit 3000rpms it takes off like crazy, all the power is there. its like i hit nos lol. i dont...
  3. 5.0L Talk
    i bought my 1986 Gt five years ago when i was 18. the car was fast and in great condition. i paid $2500 not bad right?? well im have an issue with the motor now. when i goto take off its very sluggish and miss fireing spark knocking untill i reach 3000rpms. as soon as i reach that point all the...