Ford 4x4

i am going to put a 4 inch lift on my truck soon, it has the 3.55 gears with ls. i want to put 35's on it but will i need to regear? thanks

Ford 4x4

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kzb86f150

Heres a general reference chart for what your asking. The yellow I believe is for road/ highway RPM and green is closer to stock and red is for performance/ deep $**t situations so depending on what your looking for in your regear if you do it then this chart will give an idea as to what you want.

BuckKiller

You don't have to but I would do it if you can it helps with gas a little, start off speed and is easier on your transmission.