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Swing Spring?

To: triumphs@autox.team.net, spitfires@autox.team.net
Subject: Swing Spring?
From: "scotts junk" <smacsjunk@hotmail.com>
Date: Sat, 20 Sep 2003 10:08:19 -0600
A question for those with more knowledge of suspension engineering than 
myself. How exactly does the swing spring used on the late model Spits and 
GT6 Mk III improve the handling. I've seen in numerous magazine articles 
that it lowered the roll center, but from my limited understanding of swing 
axle geometry this appears to be a load of marketing hooey being parroted by 
the writers. Can someone clarify what's really going on.

The reason for the question stems from Kas Kastner's remark in the MK 2 GT6 
tuning manual that swapping in a swing spring will improve handling in a 
roto flex car. I can't find anyone who has actually done this - anyone care 
to speculate on the theory behind this?

thanks
Scott

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