13 When you have a loud car, you don't need to watch the tach when downshifting -- just listen to the roar! - anon52401 11 Basically, you are matching the engine speed to the actual rpm speed of that gear. For instance, if I am going 40 mph...
http://www.wisegeek.com/what-is-double-clutching.htm
Double clutch - Wikipedia, the free encyclopedia
A double clutch (also called a double declutch ) is a driving procedure primarily used for vehicles with an unsynchronized manual transmission. In a gearbox with neutral between each gear, a typic...
en.wikipedia.org/wiki/Double_clutch
Understand the premise behind the double clutching technique. Making a downshift directly, i.e. depressing the clutch pedal, shifting to a lower gear, and then letting go of the clutch for that "Whomp!" feeling, is very tough on your clutch, causing it to wear out much faster.
www.ehow.com/how_2363759_shift-gears-double-clutch-tech... www.ehow.com/how_2363759_shift-gears-double-clutch-technique.html
Car Forums can anyone teach me how to double clutch? Girl Racers' Spot ... I think the most impressive is smooth accurate shifting without using the clutch up & down. Heel-toe with double clutching while turning is impressive also.
www.automotiveforums.com/t116979.html
Downshifting and heel and toe shifting ... Double clutch and heel toe ... Double Clutch Downshift...
www.youtube.com/watch?v=WD5zq0Jkpoo
Re: double clutch shifting; ... YEah, in F&F, they were talking about double clutching on UPSHIFTS? I was a little wondering what that was about! HELLA slow if you want to double clutch on up shifts. Anyways, Can you explain the whole heal toe, I try to visualise it, but I need to know what steps I should do in what order,
forums.focaljet.com/road-rally-auto-x/384578-double-clu... forums.focaljet.com/road-rally-auto-x/384578-double-clutch-shifting-print.html
When the four-door Porsche Panamera hits the U.S. in October, it'll be equipped with both an automatic engine start/stop feature mated with an automatically-shifting double-clutch transmission. Ooh! Technology! But wait, there's more. ... Jeremy Clarkson: Panamera Ugly As "Inside-Out Monkey" ... 2010 Porsche Panamera Crashes,
jalopnik.com/5173310/porsche-panamera-gets-engine-start... jalopnik.com/5173310/porsche-panamera-gets-engine-startstop-with-auto+shifting-double+clutch
When you make a mistake while shifting and hear a horrible grinding sound, ... The transmission shown here does not have "synchros" (discussed later in the article), so if you were using this transmission you would have to double-clutch it. Double-clutching was common in older cars and is still common in some modern race cars.
www.chooseindia.com/engineering/how-manual-transmission... www.chooseindia.com/engineering/how-manual-transmission-work.htm
To double-clutch during a downshift, perform the following steps: ... I have already broken the dogbox transmission not double clutching. Did not know how to do it till now, but too late. Once the rebuild is done this procedure of shifting will be applied.
felixwong.com/1999/02/how-to-double-clutch-and-heel-toe... felixwong.com/1999/02/how-to-double-clutch-and-heel-toe-downshifting/
3. Then depress the clutch and complete the shift into second. The plates should have been spinning from your double clutching and the engine RPM, which dropped while you were shifting, was brought back up to the level needed by the next gear ratio.
www.triumphspitfire.com/healtoe.html