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tire size

Posted: Mon Nov 16, 2009 6:18 pm
i changed mt tire size for the silverado 2500hd 2009
what should i put in the tire size ?
this is my new tire 37x13.50R22 nitto my silverado is lifted 6inch

RE: tire size

Posted: Tue Nov 17, 2009 10:22 am
by mikel
Use the option for entering height and enter 34.5

RE: tire size

Posted: Tue Nov 17, 2009 5:56 pm
and for the tiresize?! what number should i put

RE: tire size

Posted: Tue Nov 17, 2009 6:33 pm
by mikel
just enter the height...thats all you need.

Posted: Wed Nov 18, 2009 12:34 am
by TUNTAKIT
I am not being smart a$$ but I really don't know this. Why enter 34.5 if the tire size is 37".
I have 35" tires what should I enter for mine? I have a 2007 Hummer H2

Posted: Wed Nov 18, 2009 7:41 am
thanx mikel

Posted: Wed Nov 18, 2009 12:24 pm
by mikel
TUNTAKIT, rarely do tires measure out to what they say, we find that they are generally 1.5" shorter...

Posted: Mon Dec 07, 2009 8:20 pm
by TUNTAKIT
Got it thanks.

Posted: Wed Dec 09, 2009 9:05 am
by mikeb33
Measure the circumference with soft measuring tape while jacked up or off the car, then divide by Pi(3.14159). You will have the exact diameter.