shawn18232 Posted April 15, 2010 Share Posted April 15, 2010 hello,i have a 1980 mack r685s with stud pilot standard wheels. i want to upgrade to 385/65r22.5 tires which require 12.25x22.5 wheels. there are several options offsets & insets. does anyone know the proper wheel to get that will fit this truck??? i contact a major tire & wheel distributor in my area and they were'nt sure???thanksshawn Quote Link to comment https://www.bigmacktrucks.com/topic/13457-flotation-wheels-tires/ Share on other sites More sharing options...
hatcity Posted April 15, 2010 Share Posted April 15, 2010 Don't know the whole answer but, depends on the clearance around the bumper/ fender.also, if you go aluminum, make sure you get LONGER studs Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment https://www.bigmacktrucks.com/topic/13457-flotation-wheels-tires/#findComment-53142 Share on other sites More sharing options...
HK Trucking Posted April 15, 2010 Share Posted April 15, 2010 Where are you located? If you're in WI I could give you contact info for the tire & rim expert that helps me on such matters.. Quote "If You Can't Shift It Smoothly, You Shouldn't Be Driving It" Link to comment https://www.bigmacktrucks.com/topic/13457-flotation-wheels-tires/#findComment-53144 Share on other sites More sharing options...
shawn18232 Posted April 16, 2010 Author Share Posted April 16, 2010 (edited) Where are you located? If you're in WI I could give you contact info for the tire & rim expert that helps me on such matters..i am from pennsylvania.OK got an answer from alcoa. very informative people. thanks for the assist ppl. Edited April 17, 2010 by shawn18232 Quote Link to comment https://www.bigmacktrucks.com/topic/13457-flotation-wheels-tires/#findComment-53157 Share on other sites More sharing options...
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