275/60R20 speedo ?
#1
Member
Thread Starter
275/60R20 speedo ?
I'm in need of new tires and have been kicking sizes around. Right now it would appear that my speedo is fairly accurate based on phone app speedo and radar speed sign with the stock 275/55 combo. To those of you that mounted 275/60, how much did your speedo change?
Different question, anyone here running Dueler Revo 2?? Looking for white letter and the choices are slim. Also considering the Firestone Destination AT.
Thanks,
Neil
Different question, anyone here running Dueler Revo 2?? Looking for white letter and the choices are slim. Also considering the Firestone Destination AT.
Thanks,
Neil
#2
I'm in need of new tires and have been kicking sizes around. Right now it would appear that my speedo is fairly accurate based on phone app speedo and radar speed sign with the stock 275/55 combo. To those of you that mounted 275/60, how much did your speedo change?
Different question, anyone here running Dueler Revo 2?? Looking for white letter and the choices are slim. Also considering the Firestone Destination AT.
Thanks,
Neil
Different question, anyone here running Dueler Revo 2?? Looking for white letter and the choices are slim. Also considering the Firestone Destination AT.
Thanks,
Neil
#5
noob :)
#6
Blastmaster
I have 275x60x20 Toyo ATII's
I just put these tires & rims on two weeks ago. 20x9 Lonestar Six Shooter +18 Offset with 275x60x20 Toyo ATII's. NO rubbing or trimming required but I have Bilstein 5100's set @ +3/4" ring to help level it some, but allow for towing. The speedo was off by about 2-3 mph and I believe I was going faster than speedo read but honestly it was only like that for a few days before I happened to be at the dealer and they reprogrammed for me $50 when doing The Works service.
Interesting thing was the dealer said that some trucks have multiple choices in the system & some the dealer has to program in the overall diameter and they never know until they enter the programming mode. My 2011 had about 10 tire sizes options and that size was not in the list. However they did online tire calculator size for diameter and set it for 32.07 circumference by choosing the one that was equal to the 17" that come on the Raptors.
These tires are awesome: The ride is noticeably stiffer and they are louder the stock Pirellis.
Interesting thing was the dealer said that some trucks have multiple choices in the system & some the dealer has to program in the overall diameter and they never know until they enter the programming mode. My 2011 had about 10 tire sizes options and that size was not in the list. However they did online tire calculator size for diameter and set it for 32.07 circumference by choosing the one that was equal to the 17" that come on the Raptors.
These tires are awesome: The ride is noticeably stiffer and they are louder the stock Pirellis.
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#9
Honey Boo Boo's Child
When I went from the stock 275/55/20 Scorps (approx 32" x 11") to the 33 x 12.5 my mph is dead on with a gps @ 80 mph. I did not compare the gps with the stockers because they were on the truck for 1 hr once I signed the paper.