"Clutchless Shifts".....???
Thread Starter
Melting Slicks
Joined: Jul 2000
Posts: 2,521
Likes: 3
From: Gilbert, AZ, USA
Re: "Clutchless Shifts".....??? (dsk888)
It takes quite a bit of experience driving a stick shift as well as a good feel for the car. Simply, it's shifting without using the clutch at all. All you have to do is match the engine RPMs to the wheels exactly, then the synchros will mesh together smoothly. Some racers know this technique, as well as many truckers. Get it down, and the only time you need the clutch is launching from a standstill. :D
Sam
Sam
Le Mans Master
Joined: Apr 2000
Posts: 7,248
Likes: 0
Re: "Clutchless Shifts".....???
Even if you learn this technique, isn't this harder on the synchros? Also wouldn't you typically have to shift slower to get the 'feel' and rpm's perfect? Speed shifting sounds faster.
Melting Slicks
Joined: May 2000
Posts: 2,209
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From: Pittsburgh PA
Re: "Clutchless Shifts".....??? (MelloYellow)
Burning Brakes
Joined: Aug 2000
Posts: 802
Likes: 0
From: Boca Raton, FL
Re: "Clutchless Shifts".....??? (dsk888)
It's probably faster on the zo6 since the ratios are tighter, but on my coupe it takes a bit too long for the revs to drop enough for the next gear. I can actually shift faster with a bit of clutch. I believe perhaps the PCM could be programmed to speed up the rpm drop but haven't tried this. The tranny doesn't grind a bit. Just preload the shifter and let off the throttle. As soon as the next gear engages again hit the throttle again.
Melting Slicks
Joined: Aug 2000
Posts: 2,248
Likes: 1
From: Newland US
Re: "Clutchless Shifts".....??? (dsk888)
I taught my son to drive on a 4 speed stick when he was 9 years old. The heavy duty clutch took too much effort for him. He had a natural ear and feel and soon mastered the upshift as well as the downshift without use of the clutch.
To do this manuever with no damage....it has to be done slowly....if you don't do the rev matching properly, then you will put stress on the synchros.
Yes, truckers do the clutchless shift routinely.
Good luck.
Mark
To do this manuever with no damage....it has to be done slowly....if you don't do the rev matching properly, then you will put stress on the synchros.
Yes, truckers do the clutchless shift routinely.
Good luck.
Mark
Le Mans Master
Joined: Dec 1999
Posts: 5,497
Likes: 55
From: Jupiter, FL
Re: "Clutchless Shifts".....??? (dsk888)
Yes nearly any car with a stick can be shifted w/o the clutch.... but to be done right it is something that requires a touch and feel for the car. It would not be something you could do at WOT during a dragrace! A power-on upshift w/ clutch ..yes.... w/o the clutch I say impossible!!
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Drifting
Joined: Mar 2000
Posts: 1,956
Likes: 135
From: Maryland
Re: "Clutchless Shifts".....??? (dsk888)
Shoot, I hardly ever use the clutch....on the CR500 :-) That is unless I want to go instantly into warp speed and have my butt grow teeth to try and hold me on the bike. Then all I have to do is come out of a turn, go WOT and fan the clutch. Talk about instant adrenaline overload.
Drive the POS-B2200 the same way :-). The vette gets driven with full use of the clutch.
Drive the POS-B2200 the same way :-). The vette gets driven with full use of the clutch.
