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I've read a few car magazines about a couple a years ago and it said something about "blip" while shifting. Also how do a person "double-clutch" while shifting?
A "blip" is a burst of throttle and rpm. You would give the gas pedal a quick jab.
Double clutching means to let the clutch engage while the transmission is in neutral between a shift. So it is a deliberate engagement of the clutch to neutral between a shift from one gear to another. It is done to cause better speed matching in the transmission before you shift to your desired gear - often if the synchronizers aren't quite up to snuff.
A "blip" is a burst of throttle and rpm. You would give the gas pedal a quick jab.
That would be done (the blip)whilst downshifting with a manual transmission and is mostly used with heel/toe shifting techniques in racing situations.
Double clutching was a technique used to prevent grinding gears on manual shift cars before the invention of synchromesh gear boxes.
Here ya go -- throttle blips for rev-matched downshifting using the heel-toe method (using the heel of your right foot to jab the throttle pedal while the toes are on the brake pedal):
Basically blipping or "rev-matching" it's done to match engine speed to road speed for the desired gear...usually when you want or need to select a lower gear that requires the engine speed to be higher for the given road speed. You don't have to do this in modern car transmissions but it does make downshifting smoother and easier on the hardware.
You can't get the GT-R with a conventional manual. It has a DCT and they all rev-match before downshifting.
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