Help - The Bomb

[Richard Tanimura]

Bernie,

Dat's it!!! It looks exactly like the O'rings can have been stretched in
some section rather than subject to pure compression.

Thanks, I think I finally know what went wrong.

R

-----Original Message-----
From: Bernie Benz [mailto:b.benz at charter.net]
Sent: den 4 september 2003 15:45
To: Richard Tanimura
Cc: 200q20V mailing list
Subject: Re: Help - The Bomb




> From: "Richard Tanimura" <richard at tanimuras.com>
>
> 1. I have had to change one of the plugs 3 or 4 times in as many months.
The
> rubber O-ring seems to deform and then rupture causing G002000 to be
sprayed
> liberally around the motor. An indication of when this is happening is
that
> I hear a mechanical ticking from the servo pump - rpm dependent just like
> mechanical lifters. Anyone else see this deformation? What's the likely
> cause?
>
The O-rings sealing the X cylinder heads are subjected to a rotary squeeze
when the head is screwed into place.  If the O-ring is not well lubed with
EP grease or antisieze it may be stretched thin in some places and therefore
will be subject to failure at those thinned out places.  Lube well when
installing, hyd fluid is not sufficient.

Bernie
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