That rig with 4:10's, a 6.5:1 low range (20% high side reduction 1.7:1) and 36's would put the high range reduction back to roughly factory (-4%) and the low side @ 128% reduction.
Myself I'd want 4:30's in the axles instead of 4:10's, but that kind of critter ain't my cup of tea.
Here is a gear calculator:
http://www.zuk-n-ovations.com/gear_calc.html