Wondering why Fords website says the 2018 automatic comes with 3.55's.. But my axle ration on door sticker is YY .. 3.15 ? If I go submit a custom tune request to Lund or someone else, do I say 3.55 or 3.15's ?
Wondering why Fords website says the 2018 automatic comes with 3.55's.. But my axle ration on door sticker is YY .. 3.15 ? If I go submit a custom tune request to Lund or someone else, do I say 3.55 or 3.15's ?