need a tune?
I'm putting 3.90's in a auto, will I need a tune? Will the shift points be o.k., or will the computer be out of wack with the new gears? Getting a programmer sooner or later, thinking about SCT. Is there a big advantage with the LiveWire over the 3?
2001 GT ragtop auto, K&N c.a.i., BBK 70 mm t.b., 1" spacer, Granetelli m.a.f.,Jet Power Shifter, BBK underdrive, Motive 3.90's, Mach 1 chin spoiler, Classic Concepts light bar, Pypes off road X pipe, cryogenic treated, cross drilled and slotted rotors - ceramic pads, SCT3 custom tune, more to come.