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Re: TR3/4 Rear main seal

To: "John Middlesworth" <jape@email.unc.edu>, "George P. Richardson" <gprtech@frontiernet.net>
Subject: Re: TR3/4 Rear main seal
From: "Bob Kramer" <rgk@flash.net>
Date: Wed, 3 Dec 1997 10:46:25 -0600
Cc: "Jack I. Brooks" <brooks@belcotech.com>, "Triumph mailing list" <triumphs@Autox.Team.Net>
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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