Quote:
Originally Posted by ShibusaTouge
200tw. This is mainly for the sake of general comparison, not for me necessarily. I'm interested in the extra width vs less weight debate
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So this is not for you, but a general discussion.
All else being equal, 18x9.5" will net you ZERO benefits on the track, because the tire you run will be way too much grip for track.
The only reason to go that wide and large is if you have a brake kit requiring 18" wheels for clearance, and you make enough power or have enough aero enhancements to take advantage of 255+ width tires. Otherwise, 17x9" is plenty width for a NA powered car. Hell, with stock engine you should basically max out at 225 or 235 width tires.
The only type of track you will see benefits from running 18x9.5" is if you are running Ebisu-type circuits where it's a glorified karting track.
-alex