Dark Horse Tire Ratio/Speedometer Update

[GrayHawK1]

All I want is to have this updated. It should’ve been done when the whipple was installed at the dealer but it wasn’t. Would take it back but it’s 3 hours away. What can I use to do this myself? Not sure if this can be done with Forscan on this gen.

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[Billycar11]

with the whipple tomahawk you can change the tire size
you can also do it with forscan
or in hptuners

 

[GrayHawK1]

with the whipple tomahawk you can change the tire size
you can also do it with forscan
or in hptuners

Oh ok cool. I found the tomahawk in a box behind the driver seat. I should be able to fix this when I get home.

 

[GrayHawK1]

with the whipple tomahawk you can change the tire size
you can also do it with forscan
or in hptuners

Definitely not just cut and dry. Set the correct circumference using the tomahawk and it still was a bit off. Had to set and test it a few times. Ended up having to go 120mm under to make it accurate.

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