TIRE SIZE CONFIGURATION

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Mar 28, 2024 | 09:26 AM

Wild#373888#

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2nd Gear

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TIRE SIZE CONFIGURATION

Have a 2023 Ford F-350 6.7L H.O. that the stock tire size is LT285/75R18, changed to 37x12.5R20 what would the conversion be to program the BCM to. Any and all help would be greatly appreciated.

Mar 28, 2024 | 09:43 AM

ZooDad

Retired guy fixn stuff

Joined: Mar 2009

Posts: 3,220

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From: East TN

Quote:

Originally Posted by Wild#373888#

Have a 2023 Ford F-350 6.7L H.O. that the stock tire size is LT285/75R18, changed to 37x12.5R20 what would the conversion be to program the BCM to. Any and all help would be greatly appreciated.

You will find information in this thread.

https://www.ford-trucks.com/forums/1...rsion-5-a.html

ZooDad

Mar 28, 2024 | 09:49 AM

Wild#373888#

Thread Starter

2nd Gear

Joined: Mar 2024

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Thank you for the response but with the 37 numeric value the calculator gives and error message, how do I get around this?

Mar 28, 2024 | 10:26 AM

stroke250

Tuned

Joined: Nov 2023

Posts: 276

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From: Idaho

Quote:

Originally Posted by Wild#373888#

Thank you for the response but with the 37 numeric value the calculator gives and error message, how do I get around this?

All you can do is try a value, perform the relearns and see if it works. Some trucks will take higher than 2770, others will not. If it doesn’t take the higher value, lower and try again.