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Old 2009-12-17, 03:11 PM   #8
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
 
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by Dean View Post
It was the bashing into stuff I was thinking about. Travel not in the direction or beyond the limits of the basic suspension design. The same reason rally cars don't use 22"s. The sidewalls save the rims in the extreme bashes. The bump stops and top hats protect the struts.

Maybe Group N bushings would all be Delrin if permitted??? I'm not a Rally person either, so what do I know, just thinking that very hard bushings may cause other things to start bending/braking.

You have obviously worn some out, just suggesting you think about what might have worn out or broken instead if those had been solid? While your car is not AWD, I would ping the WRX/STI teams and suppliers and ask the questions.
Well, I beleive all the Group N stuff is rubber because it's required to be the same material as the "factory" part per the rules... even though technically all the Group N bits are factory parts, since they're sold out of the FHI catalog. And they're all stiffer than the normal OEM parts.

So, I've got to think, if Group N rules allowed it, all the FHI Group N stuff would be poly or delrin or metal. If softer were better, why would they bother making the harder rubber stuff?
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