I too have used a ball welded to a rod and then used lapping compound to
grind out a groove or line in the seat....good thinking Jack.
----- Original Message -----
From: Jack Wheeler <jwheeler@seidata.com>
To: 'R. Kastner' <kaskas@earthlink.net>; Jack W. Drews <vinttr4@geneseo.net>
Cc: <fot@autox.team.net>
Sent: Tuesday, April 18, 2000 11:04 AM
Subject: RE: Oil pressure
> Another option I have used is to weld an old ball onto a piece of steel
> rod. Then use this ball with some valve lapping compound to lap the seat
> in the housing. This will clean up any small dings in the seat which may
> have been caused by bits and pieces flowing through at various times
> (especially after a major engine failure!)
>
> -----Original Message-----
> From: R. Kastner [SMTP:kaskas@earthlink.net]
> Sent: Tuesday, April 18, 2000 11:49 AM
> To: Jack W. Drews; fot@autox.team.net
> Subject: Re: Oil pressure
>
> All it takes is a tiny chip or even a hair from a cleaning brush to screw
> up
> the relief system. Generally I found the answer to clean the seat
carefully
> then tap the ball onto the seat lightly then reassemble.
> ----- Original Message -----
> From: Jack W. Drews <vinttr4@geneseo.net>
> To: <fot@autox.team.net>
> Sent: Tuesday, April 18, 2000 6:04 AM
> Subject: Oil pressure
>
>
> > I'm having wierd things going on with my oil pressure. I'm 98% sure it's
> > a problem with the relief valve. On occasion, the pressure will run only
> > about 30 psi even at high rpm, and when I turn the screw all the way in,
> > the pressure doesn't change. On other occasions, the screw will actually
> > change the pressure like it's supposed to.
> >
> > Further info: new rods and mains, new cam bearings, no leaks.
> >
> > Also new spring in the relief valve, no visible defects on the ball, no
> > defects that I can see in the valve but of course that's hard to
> > see.And, of course, new valve assemblies don't seem to be available.
> >
> > Any good advice?
> >
> > --
> >
> > TR6 -- 29 and still running
> > TR4 -- 39 and still racing
> > uncle jack -- 59 and still ___________(fill in the blank)
> >
> >
> >
>
>
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