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, 03:23 PM

4.56 gearing in my suburban, 285/75r-16s with a convert to a 4l80e. Runs sweet

12-21-2021, 03:23 PM	#6
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 4.56 gearing in my suburban, 285/75r-16s with a convert to a 4l80e. Runs sweet