lift and re-gear question

[Never Summer]

Im looking to do a 4-6" lift on my 14 ram 1500 along w a re-gear from 3.21s to 3.92s! Tires will be 35"x 12.50". Now i do understand the larger tire will throw off the speedo.....but how will the re-gear affect the speedo? thanks!

 

[kg93]

Im looking to do a 4-6" lift on my 14 ram 1500 along w a re-gear from 3.21s to 3.92s! Tires will be 35"x 12.50". Now i do understand the larger tire will throw off the speedo.....but how will the re-gear affect the speedo? thanks!

it wont affect the speedo. It is read at the wheels

 

[Never Summer]

it wont affect the speedo. It is read at the wheels

and the fix for this is the get one of those tuners for the larger tires?

 

[kg93]

and the fix for this is the get one of those tuners for the larger tires?

Yes

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[Never Summer]

Yes

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is there a better device to get over the next? thanks so much in advance!

 

[kg93]

Depends on what you are looking for. Check out the diablosport website. They have the intune i2 or the trinity. The trinity has more to it then the intune

is there a better device to get over the next? thanks so much in advance!

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[AustinB]

Yes.. Download a speedo app on your phone.. Drive... Take the displayed speed +/- actual speed.. Remember that number, thats how off your speedo is.

Garmin gps also shows real time mph.