Originally Posted by
sambb
Ozko the eccentrics on our cars are used on the subframes. They're not crash bolts on strut legs. The subframes like almost all the subframed VAG cars are notorious for shifting around. The eccentrics are used as a set and forget. Any tuning changes after that are made at the strut top. I basically put my subframes as far forward as they'd go on the front hole and as far out as they'd go on the back hole to maximise caster. In doing this the eccentrics didnt bind one iota because obviously everything isn't an interference fit under there. I believe the ones we use on the Polo offset each bolt relative to the frame by 2mm so there is nothing extreme going on there. As long as you use common sense ie not try to move the front eccentric forward and the back one back, and move them in complimentary ways so that they're not fighting one another, then there's no functional problem. The main benefit is that you can go some way to accurately squaring up any left/right discrepancies and once you've done it you lock it down and you know it'll never move again, unlike the factory situation where you're putting a 10mm bolt in a gaping hole that no matter how many times you spec torque it with new factory stretch bolts it WILL move again.
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