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Anybody Bother with Double Clutching?

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Old 02-17-2018, 11:59 AM
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Superstar555
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Default Anybody Bother with Double Clutching?

I was wondering if the use of Active Rev Matching reduces wear on the syncros to the point where double clutching isn't needed anymore.
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Old 02-17-2018, 12:08 PM
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JNess
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I thought double clutching died when synchro's were created.

The only vehicles I've owned where double clutching was necessary was a 64 VW Beetle and my current sandrail.
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Old 02-17-2018, 12:10 PM
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DWillys
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Someone double clutches a C7?
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Old 02-17-2018, 12:10 PM
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2K14C7
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It wasn’t necessary before ARM with modern manuals.

Last edited by 2K14C7; 02-17-2018 at 12:11 PM.
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Old 02-17-2018, 12:29 PM
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TEXHAWK0
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When you double clutch you blip the throttle with the transmission in neutral to spin the front part of the trans. and drive train up to match the speed of the rear wheels, correct?
If you have already done that then there is nothing left for rev matching to do.

For this reason though, rev matching is still not as good as an experienced driver since it is blipping the throttle with the clutch still in so only the engine speed is increased.

Last edited by TEXHAWK0; 02-17-2018 at 12:47 PM.
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Old 02-17-2018, 12:35 PM
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NakedDave
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I think you mean “does anyone rev match” any longer, maybe?
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Old 02-17-2018, 12:39 PM
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JerryU
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Originally Posted by Superstar555 View Post
I was wondering if the use of Active Rev Matching reduces wear on the syncros to the point where double clutching isn't needed anymore.
Hmm, stopped double clutching when I sold my ‘41 Ford coupe, that I stuffed an Olds engine in ~60 years ago! and then only to go into 1st that did not synchromesh. Have only driven standard shifts since that time as my DD. Never had to replace syncros in any. A few clutches but no syncros.

The M7 has triple syncros, yep 3 concentric syncros, one carbon faced! Have not seen a post re syncro problems since I got my September 2013 built C7, Z51.

Transmissions are now using syncros in reverse (where selection is also blocked above a certain speed) so you don’t grind gears and make chips!

Last edited by JerryU; 02-17-2018 at 12:54 PM.
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Old 02-17-2018, 12:43 PM
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cuisinartvette
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No need to rev match, double clutch or anything else.
If you had a 1950s dump truck maybe.

Rev match feature is mostly a gimmick for the avg guy same withe the "pop" you hear when shifting. Start, shift & drive.
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Old 02-17-2018, 12:44 PM
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papillion
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Default Hmm?

What's a clutch?
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Old 02-17-2018, 12:54 PM
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TEXHAWK0
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Originally Posted by papillion View Post
What's a clutch?

A mechanical device that manufacturers put in real sports cars.
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Old 02-17-2018, 12:58 PM
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Skid Row Joe
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Why would you thinking double clutching helps a car with synchros up the ying yang, that doesn't need to be double clutched?
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Old 02-17-2018, 12:59 PM
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LIE2ME
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Of all my cars currently in my stable, this is the only one I double clutch...

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Old 02-17-2018, 01:09 PM
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cuisinartvette
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We can thank the fast n furious movies for throwing this bs lingo out
Never heard the term 3/4 cam, stage 3 or full lope cam since the 70s.

"Full bolt ons"? whats that?
Everyone that had a set of headers, intake etc was still considered stock. Times have changed

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Old 02-17-2018, 01:21 PM
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OP: Do you drive an 18 wheeler in addition to your Corvette?
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Old 02-17-2018, 01:22 PM
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Originally Posted by cuisinartvette View Post
No need to rev match, double clutch or anything else.
If you had a 1950s dump truck maybe.

Rev match feature is mostly a gimmick for the avg guy same withe the "pop" you hear when shifting. Start, shift & drive.
ARM is far from a gimmick.

It transforms average manual shifters into shifting pros, like those who actually know how to heel/toe rev match, and can do it perfectly 100% of the time. Proper rev match, which ARM gives you every time, reduces wear and tear on the clutch and transmission, and keeps the suspension planted and free from upset by jerky shifts.

And to the OP, double clutching hasn't been necessary in street automobiles in at least half a century.

Last edited by Foosh; 02-17-2018 at 01:29 PM.
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Old 02-17-2018, 01:41 PM
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Quite the response!

I'll admit it's been a couple of decades since I tore into a transmission, but back then the syncros were brass and would eventually wear out as they were used.

Based on the responses here, it appears that's no longer an issue.
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Old 02-17-2018, 04:21 PM
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dvilin
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The last time I double clutched was when I had some bad noodles at a Chinese restaurant.
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Old 02-17-2018, 05:46 PM
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Originally Posted by Superstar555 View Post
I was wondering if the use of Active Rev Matching reduces wear on the syncros to the point where double clutching isn't needed anymore.
Tried it on my A6 and it didn't help much!
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Old 02-17-2018, 06:17 PM
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Avanti
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FINALLY! A poster who must be even older than me!

Last edited by Avanti; 02-17-2018 at 06:19 PM.
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Old 02-17-2018, 06:27 PM
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If you want to impress your friends learn to up and down shift WITHOUT using the clutch.
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