these transmissions were built more for lighter cars, and in cars they can handle more power because they have to move less weight, with the added stress of the weight of the truck, it takes less to upset them.
All depending on what you are looking to do, a performance trans would be worth it (65e not so much, its only a small upgrade over the 60). The only reliability will be in the trans (always has been the weak area of our trucks). they are all equally reliable (the motors are all the same honestly just depends on the cubes). Just wait and shop around until a good one comes around at a good price.Īs far as reliability. If you go with a 6.0 and dont want to mess with it too much (aka anything in the rotating assembly or heads) go with an lq9 so you have the increased compression. If you are doing the swap just because, then its not worth it honestly.
