A4
Use drive (D with nothing) at the track to prevent the upshift in the 1/4 mile.
Northerners can correct me but 1 can be used in snow and ice to prevent an upshift that will make you slide.
However, going back and forth between D (3rd) and OD (4th) is no big deal...
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).....also as stated, upshifting the car at the track usually doesnt make u any faster unless the computer's shift points are messed up to begin with. 







