Programing Tire Size - ProCalc
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JK Newbie
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Join Date: Apr 2011
Location: Medicine Hat, AB
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Programing Tire Size - ProCalc
I just put on a new set of Wrangler DuraTracs. They are 285/70/17 which is about 33" tire by the numbers but in reality are actually dead on 32"
My Jeep stock SRAs were 255/75/17 which is 32" by the numbers but in reality is only 31" or so.
When I asked the dealership to flash the computer to set them correctly I was told they couldn't because 285/70/17 is not a Jeep size and the computer wouldn't do it so they reflashed it to stock (and tried to charge me $50)
Now I can use my ProCalc to set the tires size to 32" (measured tires, not by the numbers) but shouldn't it already be correct since 255/70/17 is supposed to be 32"?
I hope that makes sense..
My Jeep stock SRAs were 255/75/17 which is 32" by the numbers but in reality is only 31" or so.
When I asked the dealership to flash the computer to set them correctly I was told they couldn't because 285/70/17 is not a Jeep size and the computer wouldn't do it so they reflashed it to stock (and tried to charge me $50)
Now I can use my ProCalc to set the tires size to 32" (measured tires, not by the numbers) but shouldn't it already be correct since 255/70/17 is supposed to be 32"?
I hope that makes sense..
#2
JK Freak
Join Date: Mar 2012
Location: San Diego, CA
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I just put on a new set of Wrangler DuraTracs. They are 285/70/17 which is about 33" tire by the numbers but in reality are actually dead on 32"
My Jeep stock SRAs were 255/75/17 which is 32" by the numbers but in reality is only 31" or so.
When I asked the dealership to flash the computer to set them correctly I was told they couldn't because 285/70/17 is not a Jeep size and the computer wouldn't do it so they reflashed it to stock (and tried to charge me $50)
Now I can use my ProCalc to set the tires size to 32" (measured tires, not by the numbers) but shouldn't it already be correct since 255/70/17 is supposed to be 32"?
I hope that makes sense..
My Jeep stock SRAs were 255/75/17 which is 32" by the numbers but in reality is only 31" or so.
When I asked the dealership to flash the computer to set them correctly I was told they couldn't because 285/70/17 is not a Jeep size and the computer wouldn't do it so they reflashed it to stock (and tried to charge me $50)
Now I can use my ProCalc to set the tires size to 32" (measured tires, not by the numbers) but shouldn't it already be correct since 255/70/17 is supposed to be 32"?
I hope that makes sense..
#3
JK Newbie
Join Date: Feb 2009
Location: Allentown, NJ
Posts: 79
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I just put on a new set of Wrangler DuraTracs. They are 285/70/17 which is about 33" tire by the numbers but in reality are actually dead on 32"
My Jeep stock SRAs were 255/75/17 which is 32" by the numbers but in reality is only 31" or so.
When I asked the dealership to flash the computer to set them correctly I was told they couldn't because 285/70/17 is not a Jeep size and the computer wouldn't do it so they reflashed it to stock (and tried to charge me $50)
Now I can use my ProCalc to set the tires size to 32" (measured tires, not by the numbers) but shouldn't it already be correct since 255/70/17 is supposed to be 32"?
I hope that makes sense..
My Jeep stock SRAs were 255/75/17 which is 32" by the numbers but in reality is only 31" or so.
When I asked the dealership to flash the computer to set them correctly I was told they couldn't because 285/70/17 is not a Jeep size and the computer wouldn't do it so they reflashed it to stock (and tried to charge me $50)
Now I can use my ProCalc to set the tires size to 32" (measured tires, not by the numbers) but shouldn't it already be correct since 255/70/17 is supposed to be 32"?
I hope that makes sense..