put it in the air and count the rotations
Originally Posted by
justbob
If your unsure of the gears in your car just load both tunes and check your speedo against a GPS.
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2002 GMQ LSE HPP, silver 5 PASSENGER
Best of 15.2X@89.99
4:10's track lock w/carrier enhanced w/f-150 spring,
cobra clutches,
Built trans:, OEM convertor restalled:+ 300 RPM,
J-modded, no springs & HD seperator plate
P.P. intake, polished T.B., U.D. pullies,
MZT mod, MM airbox , 2004 Zip tube , tuned by Lonnie Doll , Blue oval Chips, Boxed OEM, upper and lower control arms. heated seats , powdered coated wheels charcoal, 185 K