QUOTE (gunclappa @ Nov 29 2009, 04:05 PM)

THANKS ,
ALTHOUGH MANY PEOPLE SAY TO RUN A 255,35 OR A 275,25 ON A 8.5" WIDE RIM,,, I HAVE SPENT SOME TIME GETTING TO THE ABSOLUTE BOTTEM OF THIS QUESTION THE ANSWER IS A 275/30 WILL FIT PERFECT ON A 8.5" RIMS. BEEN TO TIRE AND RIM SHOPS AND COMPARED THE Y 3, NEXT TO EACH OTHER AND SO FORTH . SEEN SOME 255 ON RIMS BIGGER THAN 8.5 AND ALL IS GOOD AND 275 ON 8"S AND 8.5"S AND ALL IS GOOD
AND THIS IS Y
1ST.
WHEN MEASURING A TIRE THE 255 OR 275 OR WHATERVER IS THE TIRES WIDTH,
2ND.
THE SECOND NUMBER A 35 A 30 OR A 25 IS IN REALATION TO THE TIRES WALL HEIGHT TO GET THIS SIMPLY TAKE FOR EXAMPLE A 275/25 SO DO 275*.25=68.75MM SIDEWALL HEIGHT TAKE A 275*.30=82.5 SIDWALL HEIGHT AND LASTLY A 255/35=76.5 SIDEWALL HEIGHT
3RD
ALL IN ALL A 275/25 IS A PERFECT FIT AS IS A 275/30 SAME THING A DIFFERNT SIDWALL HEIGHT AROUND 16MM (8MM PER SIDE).
4TH
ALSO THE RIM SHOPS SAID MANY GO WITH A 255 BECAUSE THEY HAVE IT IN STOCK , CHEEPR AND MORE COMMON THAN 275S AND THEY HAVE NO CLUE ANYWAY AS LONG AS THEY GET TIRES HAHA
5TH
275-255=20MM WIDER FIR THE 275.. SPLIT THAT IN HALF AND U GOT 10 MM THE ACTUAL DIFFERINCE IN WIDTH PER SIDE OF TIRE
AND 6TH I MET A HOMMIE WITH 285s on 8.5" rims
HOPE THIS ANSWERS OR HELPS PEOPLE UNDERSTAND TIRES, THAT WAY U KNOW WHY AND WHAT U CAN DO, RATHER THAN LISTINING TO PEOPLE WHO TELL U ONE THING BUT HAVE NO EXPLINATION WHY U CAN OR CANT DO THAT ,,WITH TIRES AND RIMS SIZES
I hope we all know all of this already. My Pops sold rims all my life and retired before I graduated high school so Im familiar with all this very well. But when its all said and done they all will work but 255's are supposed to be the safer option on that width of a wheel.