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09-21-2003, 09:39 PM | #1 |
Registered Member
Join Date: Jul 2003
Posts: 4
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smoke and pinging problem
I have a 67 289 2v with a C4. When It gets warm it pings while trying to accelerate at little - 3/4 throttle, and some times it only does it real quick after it shifts gears. This is with 89 octane. Do I need to advance the timing or retard it? It also smokes real good and pings while I try to accelerate when its real warm after ideling for a while, like at a long red light. The motor has 135K original miles. I am open to any Ideas to fix this. Thanks AJ
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