The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 454 Dually with 4.56 rear diff, what auto trans to use

**kwmech** · 12-21-2021, 12:47 PM

Tire size is going to be important here---and ---are there any mods to the engine itself

12-21-2021, 12:47 PM	#4
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,389	Re: 454 Dually with 4.56 rear diff, what auto trans to use Tire size is going to be important here---and ---are there any mods to the engine itself