can my tuner (sct xcal2) correct my speedo for 3.90 gears? thanks..yeah..im still debating this, and im looking for an easy solution to rule out one or the other..if it cant..3.90's are out of the picture
can my tuner (sct xcal2) correct my speedo for 3.90 gears? thanks..yeah..im still debating this, and im looking for an easy solution to rule out one or the other..if it cant..3.90's are out of the picture