Quote:
Originally Posted by radz282003
Can someone comment on whether-or-not additional bracing would help keep the car tighter, over the long-haul? For example: I plan on keeping my car (when I get it, lol) indefinitely. Can these additional braces do anything toward keeping this particular chassis as tight as it was when it was brand new, say, 20 years down the road, after miles and miles of 1320' passes, or hundreds of miles of auto-X'ing or road racing? Is the Zeta II chassis THAT tight that it can withstand the rigors of that kind of driving for that long, without getting a little softer? I'm thinking DOT-legal DRs for the 1320' and the best street tires available for the auto-x'ing and road racing.
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That is a really good question. GM does do extensive testing on this and I'll take a guess their answer would be no. This is due to design and manufacturing improvements at GM and across the industry. I am currently using a loaner Lacrosse from Witt Buick with over 80k, it is really long in tooth. It is as quiet as it was new, that bodes well for the 5th Gen.
The Camaro is a different animal in that the use it gets will probably very different from the Buick. Mine has about 9,000 on it and those are HARD miles. It is still as solid as the day I picked it up. With low profile tires, higher rate coils, HUGE increases in roll bar stiffness, full urethane bushes, better brakes and more power than OE I would HOPE it retains the structural integrity. I'll let you know as the years go by. Could triangulating structure with for example a front strut tower bar help keep it tight? I wouldn't argue against that theory, but I cannot confirm it either.