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Old 02-09-2022, 05:21 PM   #19
kwmech
Senior Member
 
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,592
Re: 454 Dually with 4.56 rear diff, what auto trans to use

4.10s with an overdrive is the sweet spot, but it is pricey. Have that set-up in my dually flatbed. I have a T400 with a gear vendor in that truck. My pick-up has a Ranger OD. And my Suburban was converted to a 4L80
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