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the g spot

4.56 if you ever want to go bigger. 4.56 with 32 is very nice. 31's revs a bit. 4.10 will be closest to stock with 31's
 
When I ran 31s the 4.10s were great, but 4.56 wouldn't have bothered me either. Either one will give better mileage than 3.55s with 31s.
 
Quite pleased with my 4.10/31/10.50/15 set-up. I get damn near my old mileage: 19 as opossed to 3.07/235/75/15 and 20-21 on the hi-way. Close enough that I don't bitch (much).
 
I ran 4.56 with some nearly bald 32's for about a year, and loved it. Good around town, decent on the highway. I could cruise at 75 and get ballpark 20 mpg (sometimes I did 17, sometimes I got 22), and I had a lot of power off the line and offroad.
 
With 31's & 4.56's I got 17 in stop & go driving. 19 on long highway runs. This combo puts the rpm's right in the sweet spot. JIM.
 
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