I just happen to have the instructions handy from the BFE/RACETORATIONS
unit I put on my TR3A.
#1 Machine the thrower scroll off the crank leaving a bearing surface
with a diameter of 65mm. MINUS.000" PLUS .010"
Bob Kramer, Austin TX
Hill Country Triumph Club
TR6x3, TR250 x3, TR3A vintage race
rgk@flash.net
----------
> From: John Middlesworth <jape@email.unc.edu>
> To: George P. Richardson <gprtech@frontiernet.net>
> Cc: Jack I. Brooks <brooks@belcotech.com>; Triumph mailing list
<triumphs@autox.team.net>
> Subject: Re: Rear main seal
> Date: Wednesday, December 03, 1997 10:34 AM
>
> With the Moss rear seal conversion, I had the impression that the
seal
> either sat in front of the spirals or the spirals were cut down so
that
> part of the crank is smooth. Is this correct?
>
> John Middlesworth
> leaky TR4A
>
> On Tue, 2 Dec 1997, George P. Richardson wrote:
>
> > I understood that the crankshaft has spirals cut into it to push
the oil
> > back into the engine while it's running. If that's the case and you
put a
> > rubber seal around it, it'll just get cut to ribbons.
> >
> > George Richardson
> > '57 TR3, TS15559L
> > (getting ready to paint - and now on the web!)
> > http://www.merlingroupinc.com/tr3.htm
> >
> >
> >
>
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