[6pack] [Fot] TR6 Engine Failure

[Sally or Dick Taylor]

Glenn---If the Teflon buttons you seek fail to turn up, Teflon can be purchased in round stock from McMaster-Carr outlets, and cut to size on your lathe. 
www.mcmaster.com

Dick


-----Original Message-----
From: Glenn Franco
Sent: Friday, April 22, 2011 3:30 PM
To: fot at autox.team.net, 6pack at autox.team.net
Subject: Re: [6pack] [Fot] TR6 Engine Failure

Thanks for the feedback on this engine failure.
Does anyone out there have a source for the teflon piston pin buttons 
that were discussed.
I remember a thread a while back regarding these.
I do have a lathe but no teflon stock just nylatron and I'm not sure the 
material properties of nylatron would survive engine temps.
It would be more cost effective to purchase these rather than make them.
Thanks in advance
Glenn
Numerous Triumphs, they keep multiplying

On 4/21/2011 6:14 PM, Glenn Franco wrote:
> Group
> I just tore down a club members 74 TR6 engine rebuilt by the Roadster 
> Factory back in 2002.
> It appears that the circlip that holds the wrist pin (gudgeon pin) in 
> position was not seated properly.
> Looks like they did a nice job on the rebuild, but the wrist pin 
> hammered the cylinder wall and I need to overbore the cylinder or 
> sleeve it.
> Have any of you experienced a failure like this.
> The pistons were new A&E and the oil rings were cast iron and of 
> course they came out in pieces.
> Thanks in advance
> Glenn
> Numerous Triumphs, they keep multiplying
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