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Tune
Tune or gear swap.
- Thread starter metaljunkie
- Start date
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ccapehartusarmyINF.(ret)
Full Access Member
you dont need a tune the only time yer speedo would be affected is if you put on tires with a larger overall diameter then your factory tires
a 3.73 was available on a 97 yukon 2dr diesel model the gas models came with a 3.08 or a 3.42
a 3.73 was available on a 97 yukon 2dr diesel model the gas models came with a 3.08 or a 3.42
metaljunkie
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Has anyone here switched from 3.42 to 3.73? If so how much of difference did it make?
