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    LBZ: First Time Post !!! Towing and Gearing Questions

    Hello There, All - This is my first posting to DD's...I have been reading alot of interesting stuff on this site and am excited to be a part of it. I have a 2006 GMC 2500HD LBZ Duramax.. 37" BFG AT KO / 6" Lift - Air bags - K&N / RBP 5" Cat back and running stock 3.73 gears. It turns about...
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    I have a 2006 GMC 2500HD Duramax.. 37" BFG AT KO / 6" Lift - K&N / RBP 5" Cat back and running...

    I have a 2006 GMC 2500HD Duramax.. 37" BFG AT KO / 6" Lift - K&N / RBP 5" Cat back and running stock 3.73 gears. It turns about 1700 @ 70 mph. I currently pull a boat at loaded weight of 7500lbs with no issue and typically on flat roads. I am looking into a 39 foot 5th wheel toy hauler with a...
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