chana1634 Posted April 24, 2014 Share Posted April 24, 2014 Hi everybody, I like to know if I remove my tire's that are 11r24.5, and install 11r22.5, will increase speed, and lower rpm, or decrease speed and increase rpm, my rears are 4.47, I beleave, I thanks you all for your help. Quote Link to comment Share on other sites More sharing options...
maint1 Posted April 24, 2014 Share Posted April 24, 2014 Truck will go slower, or increase RPM at same speed Quote Link to comment Share on other sites More sharing options...
j_martell Posted April 24, 2014 Share Posted April 24, 2014 Truck will go slower, or increase RPM at same speedYep....smaller diameter = smaller circumfrence = more revs per mile..... Quote Lack of planning on your part does not constitute an emergency on my part.... Link to comment Share on other sites More sharing options...
ws721 Posted April 24, 2014 Share Posted April 24, 2014 It amounts to about a 4 to 5 mph difference at 60 mph. Quote Remember if it's got a hood it's no good! Link to comment Share on other sites More sharing options...
BC Mack Posted April 25, 2014 Share Posted April 25, 2014 Chana1634there are many tire calculators on the www... some confuse me but I was able to use this one for a similar question to yours as it compares speed of two sizes..http://tire-size-conversion.com/tire-size-calculator/BC Mack Quote Link to comment Share on other sites More sharing options...
Joe Ditchkus Posted April 25, 2014 Share Posted April 25, 2014 Decrease as evertone said. Unless you have Budd or Hub-Piloted rims it is a big expense to change spoke wheel from 22' to 20". Joe D. Quote Link to comment Share on other sites More sharing options...
chana1634 Posted May 9, 2014 Author Share Posted May 9, 2014 Thanks for the information guys, Quote Link to comment Share on other sites More sharing options...
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