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Re: [Fot] TR4 Main Bearing Clearance

To: Tim Murphy <timmurph@fastbytes.com>
Subject: Re: [Fot] TR4 Main Bearing Clearance
From: "J.C. Hassall" <jhassall@blacksburg.net>
Date: Wed, 20 Jan 2010 12:35:09 -0500
On 1/19/2010 7:23 PM, Tim Murphy wrote:
> [...deletia...]
>
> 3rd Question - What has been the experience with those who have had the
> bearings coated?  I've heard some good reports and no bad reports so far.
> Any recommended sources?
>    
Tim, I sent my stock crank to Shaftech, in Fostoria OH and all bearings 
to Callies Performance, also in Fostoria.  Shaftech nitrided the crank 
(which now rings like a forged crank) and measured the journal 
diameters.  I then contacted Callies and told them what clearances I 
wanted.  They coated the shells with their magic goop and I had them 
back in less than a week.  Great service from both companies.  If you 
have Shaftech work on the crank, be sure to clean the galleries well, 
they weren't as clean as I would have liked.

You may recall that Tony had his shells treated (by Calico?) a few years 
ago and reported no wear after one season.

jim

-- 
Jim Hassall
Blacksburg VA
'63 TR4 in autox preparation
99% finished, 90% to go
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