Engine is cold runs good. Heats up starts to lose power and rpms and sputters....when this happens and the trim is adjusted or the trim motor is held engaged the idle smooths out and the engine picks up power. Can't drive like this all the time so maybe you have suggestions where to look. The entire ignition system has been replaced and the carb was rtebuilt. Neither solved the probelm.
Question about a 454 losing power when heats up.
- Thread starter daceman63
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