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Old 04-05-2006, 09:10 AM   #1
focusTNR29
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double clutching?

i wasnt sure where i could post this so i posted it here. ive heard alot about double clutching in racing and movies. but what is it, or how do you do it? if you could let me know that would be great! thanks


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Old 04-05-2006, 09:17 AM   #2
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You don't even want to know. It shouldn't even have been said in The Fast and The Furious. You should never use it while racing or any driving. All it is, is pushing the clutch in once, and taking the shifter out of gear, let up, push it in before you put it in the next gear.
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Old 04-05-2006, 09:26 AM   #3
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Yup. It was needed before syncros were used. It still comes in handy if you really really love your syncros, and if you don't want to disrupt the car in mid transision.
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Old 04-05-2006, 10:08 AM   #4
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BagginWagon and Egz have it right on. You don't need to do it in your car.
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Old 04-05-2006, 10:17 AM   #5
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Proper rev matching can be done just fine with single-clutching, so it's not needed for that at all.

However, when your reverse synchro's start to go (in another 100k miles) and you can't quite get the lever into reverse half the time, double clutching will be handy. Let up, reclutch, slide *GRIND* slot, good to go.

The ONLY sensible argument I've EVER heard for double clutching in modern cars in hard driving is that if you revmatch with the clutch engaged it should spin the clutch and flywheel at the same speed. Matched correctly and done quickly this should make for a theoretically seamless downshift. It also doubles the stress on your throwout bearing. And it takes longer. And its hard to prove it matches any better than clutching once. And it makes you a ricer
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Old 04-05-2006, 10:22 AM   #6
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agreed work on rev matching forget about double clutching
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Old 04-05-2006, 10:29 AM   #7
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i tried it for awhile, and realized how stupid it was when i started shifting normally again...smoother AND faster
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Old 04-05-2006, 10:31 AM   #8
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I wouldn't worry about learning how to double clutch, or double de-clutching (as I have also heard it called), unless you are driving some seriously old iron. It's a pain, and not worth the effort if you have synchronized gears.

Learn to heal-toe shift instead. Plenty of challenge in mastering the heal-toe without adding the extra step of engaging the clutch mid shift, and more useful if you like the twisties.
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Old 04-05-2006, 10:34 AM   #9
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whats the heel toe shitft? is it where you brake and gas with one foot and clutch with the other?
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Old 04-05-2006, 10:36 AM   #10
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Hahahaha........someone's been watching a little too much fast and the furious. Double clutching is for semi trucks. And what the people above said too, but mostly for semi trucks.
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