Best way to torque crank bolt

72bluNblu said

I will add a cautionary tale.....EDIT....be careful using that impact wrench

.............on my 318. EDIT ---used impact wrench---EDIT...... I managed to bottom out the crank bolt inside the crank. ........... the bolt bottomed it must have completely rolled the last thread,......... the crank bolt will come out 2 revolutions before it .. STOPS..... Impact wrench, breaker bar, heating it with a torch to a nice cherry red, it doesn't move.

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The use of an impact had nothing to do with this problem. If the bolthole was too short, or the bolt too long, the impact did not cause the problem. Someone else wrote something earlier claiming that they installed the dampener and bolt, and the washer was "free." This indicates to me that possibly some cranks are not tapped deep enough.

I know on the BB engines, at some point there was a change in the cam drive----is it possible that some folks are getting thinner sprockets than original?