[Alpines] oil pressure relief valve

D W Spearing kb9csw at juno.com
Wed Feb 18 09:12:02 MST 2015


Hi,I read the article which you mentioned and modified the valve to regulate
the pressure at 55psi several years back and it worked well.  The problem that
I recently had was that the pressure went high and destroyed the gauge!  I
really need to pull it apart (when the temp warms up) and see what blocked the
valve closed; I suspect parts of the cheap pistons which broke.  Thanx for the
thought.
~~~~~~~~~~~~~~~~~David Wm Spearing
 kb9csw at juno.com
~~~~~~~~~~~~~~~~~

---------- Original Message ----------
From: Mary and Ron  Tebo <mrtebo at shaw.ca>
To: D W Spearing <kb9csw at juno.com>
Cc: alpines <alpines at autox.team.net>
Subject: Re:oil pressure relief valve
Date: Tue, 17 Feb 2015 15:34:05 -0700

Dave:

With regard to your other question about the oil pressure relief valve,
I seemed to recall an article, years ago, by an Alpine racing owner who
even made an adjustable oil pressure relief valve, and I thought that he
would be the one to advise you on what you need. Unless my memory is
faulty, it was Jarrid Gross, the same poster that just replied on the
pistons! Glad to see that you are still around, Jarrid!

Ron Tebo

On Tuesday17/02/15 8:51 AM, D W Spearing via Alpines wrote:
> Hi,Thanks to all who answered my request for piston information.
Motorcycle
> pistons, an interesting thought.  John's pistons, I once had a set - I can
not
> find them on the internet.  Yes, I am a ham radio operator.
>
> ~~~~~~~~~~~~~~~~~
> 73 de Dave KB9CSW
> ~ ~ ~ ~ ~ ~ ~ ~ ~
> David Wm Spearing
>   kb9csw at juno.com
> ~~~~~~~~~~~~~~~~~
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