The '56 Fleetwood needs a new or rebuilt harmonic balancer. I got the crank bolt loose but discovered that it stuck again after a half a turn or so. I ended up spending over an hour rocking it back and forth until I finally got it out. The bolt is stipped and must have been put back in that way years ago.
My question is, what do I want to clean up the threads in the crankshaft? A blind hole tap, thread chaser, ???
Thread chaser if you can. A tap runs the risk of cross-threading by cutting a new spiral off from the original if the entry is really buggered.
A chaser is designed to not cut fresh, but straighten, so I don't think you could do that with a chaser if you tried, though I'm always amazed at how hard some people try...
In reply to WonkoTheSane :
Thank you!
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