WST
Thanks, I would really appreciate it if you can find the number for the
Speedi-Sleeve.
Larry Miller
----- Original Message -----
From: Wm. Severin Thompson <wsthompson@thicko.com>
To: Larry & Sandi Miller <millerls@ado13.com>; Thickos
<team-thicko@autox.team.net>; <spridgets@autox.team.net>; vintage race list
<vintage-race@autox.team.net>
Sent: Saturday, October 02, 1999 7:32 PM
Subject: Re: Sprite rear hub seal solution tech tip
> Larry,
>
> I'll have to check to see what the stock hub sleeve is... I gave my last
one
> away at the track, including the box... doh!
>
> That will solve your problem, though.
>
> WST
> ----- Original Message -----
> From: Larry & Sandi Miller <millerls@ado13.com>
> To: Wm. Severin Thompson <wsthompson@thicko.com>; Thickos
> <team-thicko@autox.team.net>; <spridgets@autox.team.net>; vintage race
list
> <vintage-race@autox.team.net>
> Sent: Saturday, October 02, 1999 8:57 PM
> Subject: Re: Sprite rear hub seal solution tech tip
>
>
> > WST
> >
> > Thanks for the info. Would the Speedi-Sleeve number CR 99172 also be
> > correct when using a stock hub? I've developed an oil leak down the back
> > side of the backing plate after about 1500 miles on new seals. I'm
> assuming
> > that when I tear it down I will discover that the axle is the problem
and
> > will have to sleeve it.
> >
> > Larry Miller
> >
> > ----- Original Message -----
> > From: Wm. Severin Thompson <wsthompson@thicko.com>
> > To: Thickos <team-thicko@autox.team.net>; <spridgets@autox.team.net>;
> > vintage race list <vintage-race@autox.team.net>
> > Sent: Saturday, October 02, 1999 4:59 PM
> > Subject: Sprite rear hub seal solution tech tip
> >
> >
> > > To all,
> > >
> > > The Red Rat Bastard #99 was the "test mule" for what turned out to be
a
> > > great solution for the age old Sprite leaking double bearing hub
> > situation.
> > >
> > > The solution? Pretty simple really. First off, the outer bearing is
> > replaced
> > > with a sealed bearing. There are two styles available, a steel sided,
> and
> > a
> > > rubber sided. You want the rubber sided bearing. These are sealed for
> life
> > > and suitable for high speed applications. The inner bearing is hand
> > packed
> > > in hi-speed synthetic grease, and the inner seal rides on a
> Speedi-Sleeve.
> > >
> > > So, the oil in the axle tube sloshes out to the axle cap under
> cornering,
> > > bounces off the cap, hits the sealed bearing, and can go no further.
The
> > > bearing packed in synthetic grease seems to motor quite happily.
> > >
> > > Initial tests of this setup, using a double lip seal at Road America,
> > > revealed some minor seepage of grease past the seal. It turns out the
> > double
> > > lip seal is about 6 thousandths smaller than the single lip seal... so
> the
> > > seal basically fell out of the double bearing hub. I have "peened" the
> > > inside of my hubs where the seal rides, and with the addition of the
> > proper
> > > Loctite, it should stay put. But, since it's not seeing any oil, only
> > > grease, I suggest using the single lip seal because of it's larger OD.
> You
> > > should still glue them in.
> > >
> > > A word of caution... when you bend the washer behind the axle nut over
> the
> > > nut, be sure not to damage the rubber on the sealed bearing face.
> > >
> > > The Speedi-Sleeve may be a different one than you're used to seeing,
but
> > > there's reason for that. It rides all the way in on the axle stub, so
> that
> > > the only thing riding on it is the seal, not the inner bearing. The
> double
> > > bearing hubs inner bearing won't fit over the sleeve. When installing
> the
> > > Speedi-Sleeve, make sure you dress the existing axle stub surface
with
> > > emery cloth. Also, take the installation tool that comes with it and
> throw
> > > it away. Find a suitable piece of tailpipe, with the correct ID, and
> > gently
> > > tap the Speedi-Sleeve into place... all the way to the backing plate
> area.
> > > The lip on the sleeve can stay in place, if it's seated against the
> back.
> > >
> > > Another thing, take the paper axle gaskets and the O ring, and toss
them
> > out
> > > too. I have used the "Secret Schmoo" method successfully for about 7
> years
> > > of hard racing, and never had any leak from the axle caps. I am
running
> > > stock later model axles, not the overpriced "comp" axles being sold
> these
> > > days.... more on this subject later. If you are running the comp
axles,
> > you
> > > most likely have seepage from the splines. Careful assembley with a
> > gasket,
> > > some schmoo, and washer should slow the flow. This works absolutely
> fine
> > on
> > > stock hubs as well. Use Brakeclean on the hub surface and the axle
cap.
> > Use
> > > a razor blade if necessary to scrape the axle cap clean. Use RTV
> sealant,
> > > (blue, black, copper... doesn't seem to matter) applied to the inner
> > surface
> > > of the axle cap. No gasket, no O ring. Install the axle. Use the
counter
> > > sunk screws (available from Winner's Circle) with the allen head
rather
> > than
> > > slotted or Phillips. The reason is that the first one that goes on
with
> > the
> > > axle, the short one, can be tightened again after the drum and
remaining
> > two
> > > screws are in place. It doesn't hurt to install and torque the wheels
> > right
> > > away, as it makes sure everything that's being glued together is snug.
> > >
> > > Also, remember the "driver's side" (on a left hand steering Sprite)
axle
> > nut
> > > is "reverse thread".
> > >
> > > The parts list is as follows...
> > >
> > > Sealed bearing SKF 6207-2RS1/C3HT51 available from Berry
bearing.
> > > or MRC 207-SZZ/H501 available from Winner's
> > > Circle
> > > There is a bearing available from NAPA that can be cross refenced to
the
> > > numbers above. I paid about $24-$26 from BB or WC, and about $32 from
> > Napa.
> > >
> > > The inner bearing is the one that came with the hub, just packed in
> > grease.
> > >
> > > The Speedi-Sleeve number is Chicago Rawhide CR 99172
> > >
> > > The single lip seal is Chicago Rawhide CR 17695
> > > This is also available through NAPA
> > >
> > > You mileage may vary, objects in the mirror may be closer than they
> > appear,
> > > I didn't know she was 16...
> > >
> > > WST
> > > Flounder
> > > Team Thicko
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
>
>
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