Posted by spiffy1 on January 22, 2009 at 11:39:14 from (70.41.137.72):
In Reply to: Crankshaft verdict. posted by 697447 on January 19, 2009 at 17:45:18:
If I could have clearanced .002 or .003 on the tight and .005 or .006 on the loose [instead of binding [likely -1 to +2 or so] like it was before; shims just can't cure that!], I would have probably done it that way; but, yeah, now I know it won't cause fits.
Another question on this everyone:
Did the 22-36 crankshafts get Tocco hardening? I didn't think that was until sometime in the 30's. Maybe when the governor went out; it heated the surfaces enough to create some hardening? If the latter, what are the chances the whole thing is crystalized (I doubt it; supposedly only ran wild for a minute) and just waiting to lug a little before it becomes 2 or 3 peices? :shock:
The shop said this thing was "HARD"; he ground McCormick Deering cranks before (not sure if 15-30 or 10-20 or whatever else though), so I'd suspect he'd remember if it was that hard. How deep was Tocco?
This post was edited by spiffy1 at 11:43:35 01/22/09.
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