I just got my truck and using what u guys have posted it runs like a champ. Ok heres my problem i dont know what fluid to put in my trans i have a manual one tkes gear fluid and one take trans the 4 speed takes gear and the 5 speed takes tanny fluid mine has L 123 overdrive would that be the 5 speed or the 4 speed i know it sound dunm. the fluid looks like some dummy mixed the two.

 

Castrol syntorque.

 

You can buy it at the Dodge Dealer. Just tell them you want tranny fluid for a 2nd gen Ram with an NV4500. Or you can order it from Quad4x4.