<VV> Special Oil Filter Bolt for Sender

[airvair]

Not the one I had, buddy! It was hard copper. You would have stripped
the threads or cracked the aluminum casting before you'd have gotten it
to "flatten out." I'm a diemaker, remember? I KNOW hard metal when I see
it. I was there, you weren't.

-Mark

Ron F Hinz wrote:
> 
> Much ado about not much!  The soft copper washer easily deforms when it's
> tightened down and all of your flattening efforts are for entertainment
> only.
> RonH
> 
> 
> > I bought one of the "adapt-a-bolts" when they first came out. In order
> > to get a ground from the sender to the engine it is necessary to use a
> > metal washer instead of the usual fiber one. You've got to remember that
> > the only other connection to the engine is through the filter, and it's
> > seated on rubber seals.
> >
> > The "adapt-a-bolts" are supposed to come with a copper washer "gasket."
> > However, the one I got was apparently stamped, not machined, and one
> > quick run over a mill file showed it was anything but flat. No wonder it
> > wouldn't seal. When you ask metal to seal to metal, it requires a
> > perfectly flat surface. So, being a diemaker, I was going to have it
> > surface ground. Since it was non-magnetic and too thin for any of the
> > clamping materials available for the magnetic table, I had to hand
> > finish it. Using a 4 place mic, I used the mill file to get it perfectly
> > flat with both surfaces parallel to 4 places.
> >
> > Unfortunately, it STILL leaked, so I turned my attention to the engine
> > filter "adapter" (as GM calls it). One pass with the mill file and I was
> > shocked to see just how much the "gasket surface" for the oil filter
> > bolt was warped. So after a bit of mill file work, the surface was trued
> > up. The "adapt-a-bolt" FINALLY sealed, and has been in service on my '69
> > for almost 10 years with no problem sealing.
> >
> > Regardless of whether someone uses an "adapt-a-bolt" or the stock bolt,
> > I'd strongly recommend that everyone run a mill file over the adapter's
> > bolt gasket surface. With the ones I've seen, it's a wonder that even
> > the fiber gasket can seal some of them.
> >
> > -Mark
> >
> > * Greenbrier Goon * wrote:
> > >
> > > Hey everybody:
> > >
> > > I have one of those special oil filter bolts that allow a sender for a
> gauge
> > > to be threaded into it.
> > >
> > > I have a brass T with the oil pressure gauge sender and the oil pressure
> > > switch in it.  The temp sender is in the stock oil pressure switch
> location.
> > >
> > > Anyway, the bolt does not ground to anything when it is installed.
> > > Therefore, the senders will not function.  I came up with a quickie
> > > temporary solution by taking a piece of galvanized steel wire and
> wrapping
> > > one end around the base of the T and the other end around the fuel pump
> > > block-off bolt.
> > >
> > > Does anyone have a more professional looking solution to this?
> > >
> > > Charles
> > >
> > > Greenbrier World:
> > > http://www.c-zone.net/northgte/greenbrier.htm
> > >
> > > 1963 Greenbrier PG (soon to be 4 speed)
> > > 1963 Corvair 95 4 Speed (soon to be scrap)