Coilovers $195 for all A1's) Spring quality?

[mr.utility at highstream.net (David Utley)]

Well written...  I agree with it as well...  :-)
-- 
Regards,
David Utley
-----------
Cable Volkswagen
405-470-3129
1-800-522-6793


Quoting Allyn <amalventano@sc.rr.com>:

> > I realy could care less about this whole blasted epoxy thing... a pox on
> epoxy : )
> 
> i dunno what started the whole epoxy thing, but i'd like to put it to rest.
> check this page:
> http://www.balancegroupp.com/instco14.html
> the epoxy sits in a very thin, tapered area between the collar and the strut
> housing itself. there are many reasons that epoxy is the better alternative
> to welding here:
> 
> in general:
> - the collar receives virtually NO impact-related stresses at all. it merely
> holds the spring, and the forces on it gradually change as suspension acts
> while driving (strut absorbs major impact stresses).
> - only exception here is bottoming, but that is easily prevented with proper
> use of bump stops.
> 
> pro epoxy:
> - huge surface area.
> - collar is tapered such that epoxy would have compressive stress as the
> collar tried to slide downward after cure. (epoxy does VERY well with
> compressive streess).
> - only resulting stress would be shear stresses in the downward direction.
> (epoxy does VERY well with shear stresses as well, especially over the huge
> surface area in this application).
> 
> anti-weld:
> - weld can deform the housing, making our cartridge inserts impossible to
> get back in.
> - weld is very small area as compared to the epoxy.
> - weld must be properly painted afterwards to prevent rust.
> - improper weld can fracture, possible taking the cartridge with it if the
> weld is bad enough.
> 
> anti-set screw:
> - set screws suck for this application. the diameter is so large that even
> changes in weather temperature can cause the set screws to get slack
> (aluminum collar / steel strut housing).
> - above can happen even with use of loc-tite or the like.
> - set screws hold on a very small surface area, possibly warping the strut
> catrtidge if installed improperly.
> 
> now dont get me wrong, set screws and welds DO actually work in these cases.
> the point i'm trying to drive home here is that if those 2 methods DO work,
> but appear so sucky on paper, the epoxy, properly done, is probably the best
> solution afterall.
> 
> Allyn Malventano, ETC(SS), USN
> 87 Rieger Scirocco GTO 2.0 16v (daily driver, 190k, rocco #6)
> 86 Kamei Twin 16V Turbo Scirocco GTX (30% complete, rocco #7)
> 86.5 Occo 16v Trailer (rocco #8)
> 90 Passat GL 16V (the wifes new daily, 190k)
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> 
> 
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