With 3.55s and stock sized tires I was at 1950 rpm@65
Swamped 4.10s in and was now 2300-2350@65 With stock tires
With 4.10s and 35s I'm at 2200-2250@65
All GPS verified
Op will you be doing performance mods? My pickup is still stock performance wise and changing from 3.55s to 4.10s was well...