NV5600 strength - upgrades req'd???

NV5600 strength - upgrades req'd???

08-02-2007, 05:16 PM

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"Mad Max"

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NV5600 strength - upgrades req'd???

Folks,

From everything I have read about the NV5600 6-speed, it is good to go right out of the box and does not require any special voodoo to have it hold up to 'normal' driving and towing. I consider normal to be around 250 hp/580 tq, pulling 15-20,000 lbs gross, including truck. So, typical modified 12v CTD truck pulling a decent sized camper trailer.

As I am getting ready to do the mods to my 1st gen I want to install a NV5600, Dana 80 rear, D60 front, 29-spline 205 t-case, and my uses will be as described above, occasionally pulling more trailer weight and possibly cranking over 300 hp in the future. I already have the Danas and t-case, and I'm in parts-aquisition mode for the tranny.

Can anyone out there think of any reason why a nv5600 won't hold up to any of this?

Secondly, does it matter where the tranny is purchased, meaning is one from a bone yard just as good as one from a big-league tranny supplier? Any thoughts on mileage and things to look for?

Many thanks,
- M2

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Last edited by "Mad Max"; 08-02-2007 at 05:19 PM..

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