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Re: [Spits] Rear spring with too much arch

To: spitfires@autox.team.net
Subject: Re: [Spits] Rear spring with too much arch
From: Cleobury Phil <cleoburyp@gmail.com>
Date: Wed, 04 Aug 2010 09:08:16 -0400
  Possibly a long drive shaft spring from a 1500.
Two drive shafts on a Mk IV (mostly short)and 1500 (long) 1 inch difference

On 8/3/2010 3:22 PM, Stuart Greenwood wrote:
> About 6 monhts ago I replaced the rear spring on my MkIV with a new one from
> Moss Motors in Goleta.  The old one was bottoming going over dips in the road.
> The problem I have is that the rear wheels now have quite a bit of
> positive  camber  and I can feel the wheels "tucking in " when I go round a
> corner even at moderate speeds. The only solutions I can come up with are get
> the spring de-arched like Kasner says in his book or put a thick spacer
> between
> the diff and the spring to lift it up so that the drive shafts angle
> becomes
> closer to horizontal.  However the spacer idea is a little tricky
> since it would
> have to have a stub to locate in the hole on the diff and then
> a hole in its'
> top side so the stub on the spring bracket would slot in and
> hence retain the
> ability of the spring to pivot. It looks almost impossible
> to drill holes lower
> down in the uprights which carry the drive shafr
> bearings hence lifting the
> drive shafts without using a spacer. I was hoping
> that the spring would de-arch
> itself after a while but I put a load of bricks
> in the trunk and just couldn't
> get to even a zero camber let alone negative
> camber as it should be.
> Has anyone come across this problem and found a
> solution?
> I also notice that Kasner also recommends removing the loop on the
> second leaf
> but this loop looks like it is a safety device in the event
> of failure of
> the main leaf to upright attachment.
>   Stuart a Greenwood
> 71 Mk
> IV Spitfire, 71Mk 1 Stag
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