Quote:
Originally Posted by The HACK
Whatever size fits under E46 M3s will fit under an MZ4, except the inside front has about 10mm less clearance because of the strut design (the MZ4 uses E36 M3 style struts). So if you're in stock class with stock rules, you can probably safely run 245s up front and 255s in the rear (I assume stock rules stipulate that you can only run the widest size tire that came on the car).
Does AS allow for camber shims on the bottom of the strut?
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The rules allow any tire you want, as long as you use the stock size wheel. I know that 275/35s will fit in the back. The main question is whether 285/30s will fit in the back. Both tires will fit on the wheel easily. Most CS Solstice and RX8 drivers run the 285/30 on 8" wide wheels (!).
AS does not allow for camber shims. Only procedures allowed in the factory service manual are legal. Removing the centering pin and maxing out the camber with the strut tops (-1.5) is legal, because that's the only method in the factory service manual for adjusting camber.