i set my shift light for 6,000 rpm's....then i read peak HP is at 6,500
whats the proper rpm for the shift light?
why is this adjustable? isnt there a 'perfect' spot to shift??? shouldnt it be locked in or 'suggested' from Ford?
whats the proper rpm for the shift light?
why is this adjustable? isnt there a 'perfect' spot to shift??? shouldnt it be locked in or 'suggested' from Ford?