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:roll: The marine 5.9, is heavier duty....made to be at 2200 rpm or whatever all day. The bottom has a girdle to reinforce the block, the head gasket is thicker and stronger etc etc. they are built with the knowledge that the engine will be worked hard.

it was pretty cool.

on cummins forum there is an individul who swapped in a fuller 10 speed. everything bolted up like it was meant to be.

they are a lot better. For the sake of simplicity it would just throw in an NV4500 thats been gone through pretty well. Grab either a southbend dual disk clutch 3600 pound pressure plate or if you want to save money grab a 600hp single disc southbend or valair clutch.

well heck, being a 12 valve makes it even better. If i were you, and im pretty sure you already are, join cumminsforum.com. Like i said, a marine engine is just a better engine all around;better headgasket, pistons, cooling system etc etc. Turn up the pump and throw some 375 marine injectors and...

if its a 12 valve then hell the swap would be even easier.

Now i would assume this is a common rail 5.9 correct? if i were you i would keep the marine engine and swap over some parts, from a street truck onto the engine like the APPS and what not. A lot of us cummins guys will blow up our engines (not me yet) and swap in marine engines. They are way...