<VV> No compression in #3

[Mark Durham]

The cylinder indeed looks good, so that points to a leaky valve, so take
those valves out and lets look at the seat and valve face.
And, it could be relaxed or broken rings, too. To make sure you get it
right, I would replace the rings, do a light hone pattern on the barrel, and
do whatever needs to be done on the valves. Mark Durham


On Sat, Oct 16, 2010 at 5:59 PM, Charles Lee <Chaz at properproper.com> wrote:

> Thanks Clark ,
>
>  ~~ I'm doing that soon : pulling the cylinder - just have to know that I
> can out it back on OK first ! ...
>
> I was under the impression that broken rings would give low compression,
> not
> zero compression, zip, nada, not even a hint of movement on the gauge which
> is what I got several times, with two different gauges.
>
> Plus the cylinder walls look absolutely perfect, not a hint of scoring,
> although that's apparently not really conclusive ?
> www.yourbuyersinn.com/Cars/Corvair/1967MonzaCylinderWallPix.htm
>
> Charlie
>
>
> ----- Original Message -----
> From: "Clark Hartzel" <chartzel at comcast.net>
> To: "Virtual Vairs" <virtualvairs at corvair.org>
> Sent: Saturday, October 16, 2010 5:26 PM
> Subject: <VV> No compression in #3
>
>
> > Pull the #3 cylinder off the engine and check for broken rings.  I bought
> > a
> > Corvair once that had only 30 pounds compression in one cylinder and it
> > was
> > broken rings.  No damage so I just put two new compression rings on that
> > piston, slipped the barrel back on and it lived happily ever after.  A
> > previous owner had put a new head on thinking that was the problem.
> > Clark Hartzel
>
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