Thread: Holley 770 Questions
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Old 06-28-2020, 10:58 AM
6TNCRZY 6TNCRZY is offline
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Join Date: Sep 2017
Location: Frederick, CO
Cobra Make, Engine: ERA FIA 2158, ERA 427SC 649 sold
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John, I think you are on it, if the advance springs are soft for a quick curve and the weights stick a little the engine will stay advanced and hold the RPM up. I have experienced that myself a while ago. I would make sure everything is working freely in the distributor.
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