Speedo Calibration
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New User
Joined: Sep 2004
Posts: 21
Likes: 0
From: Fort Myers, FL
Speedo Calibration
I searched a bit and couldn't find my exact answer.
I am picking up my FX4 today, it has 20'' wheels with 305/55/20 Nitto terra Grapplers on it, what is the best way to ensure the dealership calibrates the speedo? I do not want my mileage to seem off or my warrenty miles to be eaten up.
Thanks.
I am picking up my FX4 today, it has 20'' wheels with 305/55/20 Nitto terra Grapplers on it, what is the best way to ensure the dealership calibrates the speedo? I do not want my mileage to seem off or my warrenty miles to be eaten up.
Thanks.
Senior User
Joined: Jan 2004
Posts: 204
Likes: 0
From: Merrimack, NH
The difference between your Nittos and the stockers is only about an inch (32" to 33"). Do you really need your speedo calibrated for that small a change?
If you had the Superchips tuner, you could do it yourself. Otherwise, I think the dealership usually wants $85 to do a PCM flash. Now, if you're buying the truck from the dealer with these wheels/tires already on the truck, then obviously THEY should foot the bill.
If you had the Superchips tuner, you could do it yourself. Otherwise, I think the dealership usually wants $85 to do a PCM flash. Now, if you're buying the truck from the dealer with these wheels/tires already on the truck, then obviously THEY should foot the bill.
