What Gear ratio is good for me - The 1947 - Present Chevrolet & GMC Truck Message Board Network

08-22-2010, 10:45 AM

GmtGmt

Conversion Truck Addicted

Join Date: Sep 2009

Location: Denmark, Europe

Posts: 1,551

What Gear ratio is good for me

i cracked open my Dana 70HD rear end to look it over and drain the old oil.
sadly not a posi

i pretty sure i have 4.10 Gears i dont have any RPO codes and the tag on the case is gone so i can confirm it. but most duallys came with that.

i have been looking for posi for mine and found a place that sells new ring and pinions for this axles cheap and i have been thinking if i should change it out
my truck will mostly be used on the highway and with a light car trailer
no heavy towing.
its a 6.2 diesel, 4 speed and stock 235/85/R16 wheels
what gears would be great for me

3.54, 3.73, 4.10 or 4.53?

__________________
Thomas

Quote:

Tonight mine pulled a few cars out of snowbanks, and is sitting in my driveway, icicles on the grille, wheels just white cakes of snow, buried up to the lug nuts in powder, straps and chains wrapped around the bumpers, the outline of the wipers clear in 4 inches of snow on the windshield... A tired warrior of the 1980s in a world of low profile tires, front wheel drive, and plastic bumpers, where people stay in their houses until snowplows move the offending substance from their paths, too helpless to travel without AAA and chains and salt, clearing their windows with longhandled brushes while gently stepping around in the snow trying to stay nice and dry.

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