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paul k,
If you are using a 3.73 or 4.10/4.11 rear end ratio with 3.50-31 inch tires you may do OK as long as you don't get into the mountains. As Chuck said, you won't be passing everything on the road but you won't be at the back of the pack either. You may find that in a number of situations you are wanting more power but the only way to find out is get on the road and see how it works for you. Some of us with big V8 or diesel engines like what we have because they always work for us no matter what terrain we run into. I for one drove a '92 Chevy Z71 4X4 from AZ. to TN. with my 1977 31' Excella 500. With the 5.7 V8, 5 speed manual and a lowly 3.42 rear end ratio, I was hurting on the hills of New Mexico. It was something I only wanted to do once. I now pull that trailer with a '01 Chevy 2500HD with 8.1 (496) and 3.73 rear end. It has been more than sufficient for me.
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Craig
AIR #0078
'01 2500hd ext. cab, 8.1 litre gas, 5 sp. Allison auto
3.73 rear end
Mag-Hytec rear diff cover
Amsoil Dual by-pass oil filtration system
Amsoil synthetics all around
265 watt AM Solar, Inc. system
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