All Classified forums require a Site Supporter subscription. It is only $25 per year and you can buy and sell whatever you like on the forum. To become a Site Supporter, go to Your Profile and select "Paid Subscriptions."
Do you think the NV4500 can handle more power than the ZF 6sp?
Also, haven't heard anybody say anything about the NV5600. 0.o
Jason, I think you have confused the NVG5600 with the NV3500.The NVG5600 is the 6sp tranny Derdge uses behind the Cummins.