12v mods to tow 25k+ - Diesel Bombers

5.9L 12V Performance Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps Related to Performance and Longevity

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Old 05-15-2018, 05:14 PM
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Join Date: May 2018
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Question 12v mods to tow 25k+

Hello y'all!! This is my first post so I apologize if I break any rules.
I was wondering what mods need to be done to a 12v to make it tow 25k+? It will be paired with built Allision 6 speed and axletech 5000 series axles underneath a 1952 chevy school bus. Thanks for the help!!
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Old 05-16-2018, 12:39 PM
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Join Date: Jun 2011
Location: Indiana
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small compounds and a ton a patients. shoot for low hp 400 or so and big tq over 1000ish. that is a tall asking price for a 12 valve to do well and or often. you need pretty low gears as well. 4.10's or there about. is this 25k before or after the weight of the bus?
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Old 05-16-2018, 12:51 PM
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Join Date: May 2018
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Should I change anything on bottom end? and 25k includes the bus. The bus weighs about 11k, it will rarely be towing this weight. just towing a camper or my Blazer.
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