3:90's or 4:10's

[1lowbird]

07 4.8,32" tires, factory 3:23s = gutless from from a stop
so 3:90s or 4:10s? and why?
Id like to figure out hwy rpms with both so 4:10 guys please chime in with ur hwy rpms and tire size

[ecld_07]

4.10

[kerrige]

6speed?

[Frenchy]

You will notice zero difference between the two.

[1lowbird]

4l60e... there should be a couple hundred rpms difference on the hwy. hence y i wondered about cruising rmps at say 70mph with 4:10s

[AFSP1211]

http://www.ringpinion.com/Calculators/Calc_RPM.aspx
Not exact but it'll be close. TQ converter stall speed isn't taken into account I don't believe.

[screaminchicken]

4.56 is the choice with a 32" tire and that 4.8 IMO