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I have a 72z with a crane hi6 ign. My problem is that when the timing is set to what seems to be the best place(runs strong for awhile), if i get on the gas the motor starts dropping power(misfiring) and backfires out the tail pipe. After it starts doing this it does it at all rpms in all the gears. Usually i can gimp the car to a parking lot, where i can adjust the timing to get the car home. When i do this i lose most of my power. I have tried two distributers that i have (mallory & stock) they both seem to be afflicted.
Please help, im lost and my motor only has 200 miles on it.
Thanks-Evan
Please help, im lost and my motor only has 200 miles on it.
Thanks-Evan