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      02-09-2012, 01:55 AM   #16
HP Autosport
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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Quote:
Originally Posted by ///M1 View Post
FYI: 265/35/19s up front will rub (top of fender liner), stay with 255/35

You can check Tirerack as far as dimensions and proper available sets that'll fit, the rear 10s can do 295/30 (as 285 is not available in the PSSs).

Use this to see how your speedometer reading will change once you move from stock sizing

http://www.miata.net/garage/tirecalc.html
255/35R19 PSS will rub(we have mounted this upgrade on a customer's 1M, 255/35R19 front and 275/35R19 rear PSS) on the exhaust vents of the oil and water cooler first at and near full steering lock before it will rub on the top of the fender liner(this can only happen if you lower your car too much, at stock or 1" lowering there is not enough compression travel for this to happen).
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Last edited by HP Autosport; 10-09-2012 at 01:25 PM.