Question:
What is TRUE about double clutching and shifting?
A
You can use the tachometer to tell you when to shift.
explanation
Watch your tachometer, and shift up when your engine reaches the top of the range. Downshifting, like upshifting, requires knowing when to shift. Use either the tachometer or the speedometer and downshift at the right rpm or road speed. [California Commercial Driver Handbook]
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