BigRigTech
Diesel junky
Ok, my 91 has 3.55 gears with a posi in the 10.25". My Dana 60 has 4.10 gears in it. Which would you guys use? I like the fuel mileage that my 3.55's are getting. I don't know sqaut about Dana axles or parts interchange. (really like/use the Ford 9") If I swapped to 3.55's would I need a new carrier too? I can get the 10.25" axle 4.10's from the donor truck for free if I want them.