ok , o/d doesnot I REPEAT have any effect on your performance NONE!
if you do not want the tranny to shift into 4th gear then turn it off, o/d is nothing but 4th gear.when u get on it while cruising if you shut it off you WILL be in the power band faster.
that is all.
FOCUS - REVOLUTION
JRSC BBK "TWEECED" BY MASSIVESPEEDSYSTEM