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[TR] low compression on cylinder no. 6

To: triumphs@autox.team.net
Subject: [TR] low compression on cylinder no. 6
From: david brady <dmb993@earthlink.net>
Date: Tue, 13 Apr 2010 10:05:54 -0400
Folks,

I put my TR250 to bed about a year ago, didn't do any
special preparation, just parked it in my garage and shut her
down. Today I did a compression test on the cold engine and
all cylinders are 170psi (or so) but number 6 is 90psi. I squirted
some lightweight oil (all I had on hand) into no. 6 and the psi
increased to 140psi. The car has been used sporadically,
spending lots of time sitting. I'm thinking a stuck ring on the piston
groove. Any other ideas? If it's a stuck ring what are the chances
of an easy fix (removing the piston, freeing the ring, re-insertion
into the bore, wishful thinking :))

Thanks,
David Brady
'68 TR250
CD8124L

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