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3.21 vs. 3.55

10970 Views 9 Replies 7 Participants Last post by  firemist32
So I have been assured by members of this board that ecodiesel comes standard with 3.55 gears and 3.92 option. Looking at window sticker shows ecodiesel ,3.21 gears and nowhere else on window sticker does it show an upgrade to 3.55. Truck is a Big Horn and got me to wondering. If by some fluke the truck does indeed have 3.21 and ecodiesel how would the truck perform? My tow will be 11 foot tall travel trailer with 5000 lbs weight. What does the board think of 3.21 gears? I'm wondering worst case scenario. Thanks.

David
San Diego
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The Ecodiesel comes with 3.55 gears and option of 3.92. The window sticker you're talking about is the stock sheet from the factory for all the trucks. The correct gearing will be on the accessories/add-ons side of the window sticker, which is where you will see the 3.55
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