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Power shifting is a technique used by drag racers in order to achieve faster acceleration and lower elapsed times during a race. To power shift a manual transmission vehicle, after inital launch and upon reaching the engine's power curve peak, you must keep the accelerator fully depressed, apply the clutch, upshift, and release the clutch. This must be done quickly and smoothly in order not to damage the engine by over revving during the shift. Power shifting is used only for upshifting, never for downshifting.
If you power shift while drag racing, you'll achieve a shorter quarter mile elapsed time.
by mean13 August 29, 2009
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On a manual transmission car, power shifting is when you shift gears without using the clutch - waiting for just the right RPM, and then slamming the stick from one gear to the next.

Power shifting is advantageous if done correctly because you change gears without spending any time clutched in - during which time your car normally cannot accelerate.
"Dude that guy can power shift really good, if you race him, you'll get owned."

"... Yeah but I heard he's on this third tranny now."
by asfsafasf asf asef asef ase September 13, 2008
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The shift in control or "power" between partners in a relationship - Can be affected by who called/texted/emailed last, who said i love you first!!

Person in power is said to have the "upper hand"
"It's the powershift!!" - What else can I put??
by Darren/Kristy September 21, 2006
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