Re: How long does it take to unlock a flathead V8?
Coming up to ten months I've had various fluids soaking in the 49 Mercury truck engine. Fan and gen off so I have room to get the long swing bar and socket on the crankshaft pulley. But so far the only movement is the bolt on the pulley has loosened up. There is a little rocking action back and forth but I think it is just wear in the rod bearings.
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