[TR] Pilot bush TR3A

[Jerry Van Vlack]

Interesting discussion. I’m currently rebuilding my TR4A engine and have 3 pilot bearings. One is new and they all fit loosely in the crank. My question is should it be loose in the crank, some I’ve asked say OK and others say no and to locktight it into the crank and or knurl it so that it fits tight. I’d appreciate opinions and reasons for your thoughts. 
Thanks,
JVV 

From: James Henningsen 
Sent: Saturday, November 25, 2017 4:19 PM
To: TERRY SMITH 
Cc: triumphs at autox.team.net 
Subject: Re: [TR] Pilot bush TR3A

It’s in the freezer now.  Fingers crossed.  Thanks. Jim


Sent from my iPhone

On Nov 25, 2017, at 9:57 AM, TERRY SMITH <terryrs at comcast.net> wrote:


  Hi, Jim.  I've had success putting the bush in the freezer for half hour, then installing after heating the flywheel with a little propane flame.  




  Good luck!


  Terry


    On November 25, 2017 at 9:34 AM James Henningsen wrote:


    My new pilot bush for crank does not fit in easily. I remember doing this in my TR6 motor and no issues. Is there a technique to use to get bush in without damaging opening or bush? 
    Thanks 
    Jim Henningsen
    Ocala FL. 

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