06-24-2012, 06:31 AM
I have used this method before to clean up scoring in similar parts, you really only need to run it for a few seconds, so not enough to move position, just to clean out the raised edges that muck up the alignment.
You need to remember that taking out enough material to change position would advance the taper so far that the flywheels would be useless, at least without a custom crank pin, keeping in mind that the taper pictured has a taper of approximately 1 in 10 so taking out just 0.002" from each taper will narrow the assembly by 0.040" and then the con rods won't fit. but cleaning surface finish will allow better alignment without removing much material at all.
Best Regards
Rick
You need to remember that taking out enough material to change position would advance the taper so far that the flywheels would be useless, at least without a custom crank pin, keeping in mind that the taper pictured has a taper of approximately 1 in 10 so taking out just 0.002" from each taper will narrow the assembly by 0.040" and then the con rods won't fit. but cleaning surface finish will allow better alignment without removing much material at all.
Best Regards
Rick
Whatever it is, do it today, Tomorrow may not be an option and regret outlasts fatigue.