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BlackSunshine01 · 02-10-2008, 05:14 PM

all a 40 series tire would do is make your rear taller. the second number in the tire size is your side wall height. its a percentage of your overall tire with(ex.285) so your new side wall would be 40% of 285mm instead of 35%. i have heard that when you go to a 315 you have to roll the fender lip. so i would imagine a 315/40/18 might require a mini tub. could be completely wrong though.

02-10-2008, 05:14 PM	#2
BlackSunshine01 METAL! Join Date: Jan 2008 Location: north east s.a. Posts: 370 Trader Rating: (0)	all a 40 series tire would do is make your rear taller. the second number in the tire size is your side wall height. its a percentage of your overall tire with(ex.285) so your new side wall would be 40% of 285mm instead of 35%. i have heard that when you go to a 315 you have to roll the fender lip. so i would imagine a 315/40/18 might require a mini tub. could be completely wrong though. __________________ who needs the after market? lowerd 01 GT. Last edited by BlackSunshine01; 02-10-2008 at 05:19 PM.