thats great thanks, i came up with 838 as the magical number for my tire size. now my question is - the xcal settings are in denominations of 5 so do i put the setting to 835 or 840?
p.s. when i switch to 215/45/17 tires the number is going to be 819 so almost right on the money hehe.
Go: Steeda SRI, MBRP 2.5'', CFM 67mm TB, F2 header, Toms Tune 91oct, FRPP drop, all stress/sway bars, CFM dogbone mount, 133whp, 134wtq
Last Of The Hatches #44