[SEL] Piston Rings and old engines.

[Tommy Turner]

Sorry George, I misunderstood your question.  I see what your inquiry is
now and we'll have to see how Curt recommends this.

Tommy Turner
Magnolia, KY





-----Original Message-----
From: sel-bounces at lists.stationary-engine.com
[mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Best,
George
Sent: Thursday, October 02, 2008 4:37 PM
To: The SEL email discussion list
Subject: Re: [SEL] Piston Rings and old engines.

Tommy,

Think you have that backwards.  Measuring the "land" tells you the
minimum internal ring diameter of the compressed ring, plus of course
some clearance as you don't want the ring to bottom out against the
land.

The measurement I was wondering about is the internal diameter of the
uncompressed ring.

George

-----Original Message-----
From: sel-bounces at lists.stationary-engine.com
[mailto:sel-bounces at lists.stationary-engine.com] On Behalf Of Tommy
Turner
Sent: Thursday, October 02, 2008 1:19 PM
To: 'The SEL email discussion list'
Subject: Re: [SEL] Piston Rings and old engines.

George, wouldn't you simply measure the land (bottom) of the ring groove
and that would give you the maximum internal diameter?  You would then
probably deduct 10 to 15 thousandths to prevent binding of the ring when
it gets hot.  Not sure this would be right but I don't know why it
wouldn't work.

Tommy Turner
Magnolia, KY




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