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[Fot] Crank--Rear Main / Scroll

To: Friends of Triumph Triumph <fot@autox.team.net>
Subject: [Fot] Crank--Rear Main / Scroll
From: Dan Cronin <adcronin@mi.rr.com>
Date: Mon, 4 Oct 2010 14:02:08 -0400
Listers
Some time back in mid 07 I purchased a Crower E4340 Billet Steel Crank for my
TR motor build which I am just now getting around to......had the rear lip
milled to the 63.5mm (2.5") that was the collective thought (manual and
instructions for the improved rear main lip oil seal) and now find that most
think this was in error!  Am I right that now the proper size for the seal is
71.57mm (2.8"), and if so what is one to do if he has the "old" dim.?  Can the
journal be built up by hard chroming and them re-milled to size?  What other
options can you think of that would permit successful use of the 2.5" scroll
with the lip seal? What have others done to surmount this problem?
Thanks, Dan C.
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