Quote:
Originally Posted by sloGMC
If you suspect a slipping balancer or timing mark issue, why would you run straight into changing the cam timing? Altering cam timing seems entirely unnecessary on a generic street engine and I would be surprised to find out that either the dots on the timing chain or the dowel in the cam are improperly placed. Misaligned pointer or timing tape (or lack there of), or misaligned timing gears, seem far more likely. If the balancer is the problem it should just be replaced.
The engine could be going through an entire lean-cycle. Maybe the secondaries are opening way too soon. Or, maybe the engine is just a tired old dog.
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Congrats on reading my error. Should have left out the word cam. Altering cam timing on an original old dog 327 would be a goofy idea, as you stated...LOL