In high gear - Idioms by The Free Dictionary
in high gear
*in high gear
1. [of a machine, such as a car] set in its highest gear, giving the greatest speed. (*Typically: be ~; get [into] ~; move [into] ~.) When my car is in highgear, it goes very fast. You can't start out in high gear. You must work up through the low ones.
2. Go to in full swing.
in high gear also in full gear
at the highest level of operation Preparations for the convention started weeks ago and are now in high gear.
References in periodicals archive
As the clock on the wall ticked toward the end of the shift, the repair shop was in high gear
assembling several molds that had been pulled for scheduled maintenance.
Only truth will set us free from the wheels of the political machine which is well-oiled with money and is in high gear
to run over anyone who gets in their way to ruin and overdevelop our Conejo Valley.
Engineering and procurement activities for this well are currently in high gear