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Re: [TR] Alternatives to cluster shaft needle bearings?

To: Michael Lang <mlang99@comcast.net>
Subject: Re: [TR] Alternatives to cluster shaft needle bearings?
From: fogbro1@comcast.net
Date: Wed, 25 May 2011 13:42:46 +0000 (UTC)
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List,=20



FWIW, the original layshaft for the all synchro boxes had a hardness of 92 =
Rockwell. With the exception of TRF's, all of the replacement shafts I had =
tested=C2=A0several years ago fell far short of the design spec. Don't know=
 what's being supplied by others today, but TRF's are still made to that sp=
ec and in the USA!=20



Additionally, a longer bearing can be used on both the front and rear of th=
e layshaft to provide more support. This replacement is .995" long and has =
an outer shell. It's not open as originally supplied by Triumph in the late=
r cars. This "shell" can be used to advantage in saving a cluster gear that=
's been damaged by the open needle bearing configuration: press it in with =
a bit of Loctite Stud and Bearing Mount.=20



NFI.=20



Ed Woods=20

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<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div 
style='font-family: Arial; font-size: 12pt; color: #000000'><P>List,</P>
<P>&nbsp;</P>
<P>FWIW, the original layshaft for the all synchro boxes had a hardness of 92 
Rockwell. With the exception of TRF's, all of the replacement shafts I had 
tested&nbsp;several years ago fell far short of the design spec. Don't know 
what's being supplied by others today, but TRF's are still made to that spec 
and in the USA!</P>
<P>&nbsp;</P>
<P>Additionally, a longer bearing can be used on both the front and rear of the 
layshaft to provide more support. This replacement is .995" long and has an 
outer shell. It's not open as originally supplied by Triumph in the later cars. 
This "shell" can be used to advantage in saving a cluster gear that's been 
damaged by the open needle bearing configuration: press it in with a bit of 
Loctite Stud and Bearing Mount.</P>
<P>&nbsp;</P>
<P>NFI.</P>
<P>&nbsp;</P>
<P>Ed Woods<BR></P></div></body></html>
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