Phil, You can turn an early crank with scrolls into a 1300 crank by using
National Seal "redi-sleeve" part no. 99287. This is a thin sleeve that can
be pressed or LIGHTLY tapped onto the back of the crank. It comes with an
installation tool. Then get a mk.III rear main seal and housing and your in
business.
You can do the same thing to the front sealing surface of the front pulley
with part no. 99162. This will get rid of the groove that developes over
time from the front main seal.
Ron
ReK Racing
----- Original Message -----
From: Phil Johnson <spitfire.man@virgin.net>
To: <SJagGo@aol.com>; <Spitfires@autox.team.net>
Sent: Monday, November 22, 1999 1:40 PM
Subject: Re: Upgrades
>
> ----- Original Message -----
> From: <SJagGo@aol.com>
> To: <Spitfires@autox.team.net>
> Sent: 22 November 1999 05:33
> Subject: Upgrades
> >
> > Greetings all,
> > I'm in the process of restoring a `63 Spitfire and am considering a few
> > changes.
> > 1) I would like to replace the old cast iron rear main seal with the
> aluminum
> > housed neoprene seal. Has anyone done this. What were your results?
>
> You will have to either have the crankshaft machined to have the reverse
> scroll (a backwards 'thread' on it to push any oil back into the sump)
> removed and find a seal that will fit, or, more easily, get a later
> crankshaft that does not have the reverse scroll on it and use that with
the
> rear housing and seal. IMHO the cast iron rear main seal does the job of
> stopping oil coming out just fine, unless you park the car on a very steep
> hill.
>
> > 2) I'd like to substitute a 1500 rear transverse spring for the early
> type,
> > by using 1500 studs and blocking off the 2 extra mounting holes. At the
> same
> > time I believe I'd need to substitute a 1500 anti-roll bar for the old
> 11/16
> > Mark1. Has anyone done this, and what were the results?
>
> Did that on my Mk2, and found the handling to be a vast improvement.
Having
> said that, I did this before the re-introduction of the camber
> compensators - and these do not need the front anti roll bar changing due
to
> the retention of rear roll stiffness, but they do reduce the ground
> clearance below the diff. To block off the redundant centre mounts, I cut
> the old studs down, cut a slot in them and screwed them in using a bit of
> thread lock to prevent them moving again.
>
> > 4 Mark1's
> > 3 1500's
>
> What, 7 spitfires? And four of them Mk1's? If you ever want to sell an
early
> one....
>
> Regards
> ==
> Phil Johnson
> Club Triumph (UK) Spitfire/GT6 Secretary
> http://www.club.triumph.org.uk/
>
> 66 Spitfire4 Mk2 FC73949
> 77 TR7 ACG15216
>
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