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RE: Negative/Positive Camber

To: Michael Nugent <nugentmd@gte.net>
Subject: RE: Negative/Positive Camber
From: mark holbrook <rolling_rock_12@yahoo.com>
Date: Mon, 5 Jun 2000 14:11:05 -0700 (PDT)
The camber problem suggested is completly normal.  THe
front is always negative on the spits and GT6's.  My
SpitSix has negative camber on the back, and a tny bit
of negative camber on the front, but not enough to see
with the eye.  THis is how these cars were designed.
Mark Holbrook
--- Michael Nugent <nugentmd@gte.net> wrote:
> 
> That's the nature of swing axles - you've probably
> seen old VW bugs with the
> same properties.  When unweighted (as in on a lift
> or while getting air),
> swing axle cars demonstrate severe positive camber
> \-o-/ and when the body
> is "lowered" (typically through weaker than normal
> rear sping or too much
> weight being carried) they demonstrate negative
> camber /-o-\.  Negative
> camber is the hot setup for autocrossing (2 degrees
> negative is not
> uncommon).
> 
> The angle between your wheel and its axle is always
> 90 degrees, so that
> can't be changed - the wheel tilts because the axle
> is moving up or down at
> the end.  At just the right weight (for your rear
> spring), the tires will be
> straight up and down (zero camber).
> 
> Yours is negative while driving (not a bad thing as
> long as it's not too
> severe), and it would be expected to be more
> negative with you and a
> passenger than with you alone.  If it really bugs
> you, you have only two
> choices:  a stiffer spring or less weight.
> 
> Mike
> Renton, WA
> '73 GT6 + '68 Spitfire becoming Spitfire 6 and GT4!
> 
> 
> ------Original Message------
> From: "Aidan Corcoran" <spitfire@acquirer.com>
> To: spitfires@autox.team.net
> Sent: June 5, 2000 1:51:54 PM GMT
> Subject: Negative/Positive Camber
> 
> 
> 
> Guys,
> 
> A few months back I rebuilt my rear suspension (new
> everything almost) and
> half-shafts. Since then I've driven about 300 miles,
> just breaking in the
> new parts and seeing how the whole thing works.
> Anyway, when I jack up the
> rear end - the wheels go into a \-o-/ position. This
> is OK I'm assured. When
> I let the car down and then drive it for a while, I
> get the wheels into a
> /-o-\ position. They are not quite vertical, not too
> much off, but enough to
> worry me. Should they be vertical? I think so.
> 
> What should I be adjusting to get the wheels into a
> |-o-| position?
> 
> Thanks
> 
> Aidan
> Mk 2 FC83365
> 


=====
-Mark Holbrook-

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