Thread: Harmonic balancer on 454 has 4 timing marks.....

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Originally Posted by repoman3809

That makes sense. The motor has never run long. Its obviously in an area where moisture is abundant. Plus it doesnt have a closed cooling system. It's constantly drawing in cool water and blowing the warm water back out the exhaust. So it stay cooler than most motors.

there no PCV on the boats you blow it in to the flame arrester so it not getting pull out so boat heads can get funky .so heat is the only way it burns out some may draw out of the vent tubes to the arrstor