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Old 04-28-2001, 03:21 PM   #1
Scooby Newbie
Member#: 3375
Join Date: Dec 2000
Location: Virginia Beach
2002 VW Jetta Wagon

Question Just wondering...how many folks can shift without the clutch?

and not grind the gears?

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Old 04-28-2001, 03:22 PM   #2
Member#: 67
Join Date: Jul 1999
Chapter/Region: SCIC
Location: San Diego, CA
1999 Outlasting
the competition.


its pretty easy after you get the feel of it
witht he dogbox installed... we'll see
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Old 04-28-2001, 03:48 PM   #3

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Location: Schaumburg, IL
16 WRX (white)
04 FXT (red)


Simple. I do it all the time.
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Old 04-28-2001, 03:58 PM   #4
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Join Date: Apr 2000
2005 Legacy GT
Royal Blue Pearl


It is the best way to determine if you are double clutching correctly (near perfectly). I hate doing it because it takes so much concentration, it'd rather spend the time working the clutch.

However, once I get a dog-gear tranny, it'll be really fun!!!

BTW, I practiced/checked myself doing it right BEFORE I went ahead and put in new tranny fluid (because I'm not always perfect and I did grind once in awhile).
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Old 04-28-2001, 04:19 PM   #5
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Location: Burlington Ma
97 Legacy GT
4 tone red


its called powershifting. its damn easy! i dont need to use my clutch. no dogboxes needed. when accelerating... take foot off acelerator as normal, the stick slips out of gear, then go to the next gear and apply some firm pressure, as the Rev's drop it will slip into gear. downshifting? Hmm... too hard to explain in writing... but you get my drift..

When you are on a 21 hour car ride you get bored and start to play with new things. LOL
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Old 04-28-2001, 06:09 PM   #6
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Location: The LBC, CA, USA
2001 Cr-V


blip-throttle downshifts, heel toe and rev-matching. It's all you need! When you pop it in gear while upshifting (The lever just slides into gear easily), is that rev-matching, too, or are the synchros doing that? I thought it was rev-matching.


Dude, where's your car?
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Old 04-28-2001, 06:44 PM   #7
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Location: Houston, Texas
2002 WRX Wagon MT


I can only do it on 3-5 gears, not 1 or 2.
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Old 04-28-2001, 08:00 PM   #8
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ive never even tried.. im scared to break something.
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Old 04-28-2001, 08:14 PM   #9
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Location: Rapid City, SD
2012 WRX Base
Ice Silver


It is both rev matching and synchros. Actually they're kind of the same thing, or at least related to each other.

The closer the revs are to matching the less the synchros have to work to match shaft velocities. The synchros work to make the revs closer to matching.

I would have to say that clutchless shifting mostly involves unloading the tranny, and matching revs. Matching revs is especially important on clutchless downshifts.

Even on a synchronized gearbox like motorcycles have, you still have to unload the tranny to power shift.

All that said, the advantage of powershifting over normal shifting is minimal. Proper use of the clutch and tranny can yield a very smooth and very fast shift.
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Old 04-28-2001, 08:42 PM   #10
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2009 530EXCXTZ1200


I do. Mostly I flick into nuetral when comming to a stop, and when cruising along I will slip 3rd to 4th.

You can't really hurt anything as long as you don't force it. All of my shifts are with my finger tips, light and easy. On my bikes I rarely use the clutch (when going fast) all upshifts are w/o and only some down (on the street) shifts and all down shifts in the dirt are w/o. On a bike you can do wide open up-shifts w/o letting off the throttle by quickly hitting the kill switch to interupt the load to the gear box. Many race machines have an ignition interupt built into the gearbox lever to do this (simplified).
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Old 04-28-2001, 10:29 PM   #11
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2010 Honda Fit Sport


I used to do that all the time on a big rig. But with my cars, I tried, and didn't see any benefits. Clutching becomes so natural and simple.
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Old 04-28-2001, 10:39 PM   #12
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Aspen White


You people are crazy!!!!!!

Always depress the clutch unless your trans is set up for it. And even if it is you can't down shift unless your in a complete stop. ONly good for drag racing.
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Old 04-28-2001, 10:46 PM   #13
Jessie James
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Location: Out of my mind

I NEVER use my clutch.

Oh, wait...

I don't have a clutch; I have an automatic!
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Old 04-29-2001, 12:04 AM   #14
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2004 STi
White on Gold

Thumbs up

I've been doing this a lot lately. Upshifting is quite easy actually. Downshifting is the bigger challenge, but I find that downshifting while breaking with my left foot makes it easier.
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Old 04-29-2001, 12:33 AM   #15
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GC4 -> GGA -> GM6
Yeah, that's about right.


Hmmm ... have you guys ever driven a car with broken syncros??? You will be soon!
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Old 04-29-2001, 08:38 AM   #16
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I like to eat ants.


Done it plenty of times, but not on any regular basis. Maybe once ever month or two, just to prove I can, it's a good way to freak out a passenger. But I feel it isn't worth the time and effort and has way to high a chance of messing something up.

Still a cool thing to do.

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Old 04-29-2001, 12:34 PM   #17
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2014 Audi S4 B8
Metallic Gray


I can clutchless shift from 2nd to 5th gear, but even if the rev matching is perfect, i heard it ****s up the clutch plate and/or synchros in the long term since *duh* the tranny was not designed to be used that way. Anyway after i figured out i could do it, i just stopped doing that. Now i'm turning into a semiregular double-clutcher

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