G GeorgiaGT40 New Member Nov 15, 2002 151 0 0 Southwest Georgia Sep 24, 2004 #1 Sep 24, 2004 #1 How much would changing to 18 inchers from 17 mess up my MPH?
Mustang5L5 That is…until I whipped out my Bissell Mod Dude Feb 18, 2001 43,260 17,944 224 Massachusetts Sep 24, 2004 #2 Sep 24, 2004 #2 It won't if you keep the outside tire diameter the same.
G GeorgiaGT40 New Member Nov 15, 2002 151 0 0 Southwest Georgia Sep 24, 2004 #3 Sep 24, 2004 #3 I'd be going from a 245/45/ZR17 to a 265/35/ZR18.. had a typo, I meant 245/45
Cobra Jay Member Apr 7, 2004 889 0 16 Motor City Sep 24, 2004 #4 Sep 24, 2004 #4 Mustang5L5 said: It won't if you keep the outside tire diameter the same. Click to expand... Click on the link. Then click on calculators and figure out your tire height. www.randysringandpinion.com
Mustang5L5 said: It won't if you keep the outside tire diameter the same. Click to expand... Click on the link. Then click on calculators and figure out your tire height. www.randysringandpinion.com
Mustang5L5 That is…until I whipped out my Bissell Mod Dude Feb 18, 2001 43,260 17,944 224 Massachusetts Sep 24, 2004 #5 Sep 24, 2004 #5 GeorgiaGT40 said: I'd be going from a 245/75/ZR17 to a 265/35/ZR18.. Click to expand... http://www.miata.net/garage/tirecalc.html You would be off a bit. I would suggest a 275/35/18 out back, It will keep your speedo close. it will only be off 0.4%
GeorgiaGT40 said: I'd be going from a 245/75/ZR17 to a 265/35/ZR18.. Click to expand... http://www.miata.net/garage/tirecalc.html You would be off a bit. I would suggest a 275/35/18 out back, It will keep your speedo close. it will only be off 0.4%
G GeorgiaGT40 New Member Nov 15, 2002 151 0 0 Southwest Georgia Sep 24, 2004 #6 Sep 24, 2004 #6 It says I will go from 31.468503937007874 to 25.30314960629921 in tire height....
G GeorgiaGT40 New Member Nov 15, 2002 151 0 0 Southwest Georgia Sep 24, 2004 #7 Sep 24, 2004 #7 ...not too bad off .9 mph off