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mustang_guy
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:tsk:
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jasonc0604
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I double clutch when downshifting to grab a gear to go.
I rev match only when downshifting to come to a stop.
I rev match only when downshifting to come to a stop.
Horse
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Charles147
Well-Known Member
All these videos and not in a 15. LOL!
Horse
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Well, this time someone asked what double clutching is in general...
BTW, the clutchless shifting video (by Carzzi) is with a 15 mustang, in case you did not notice.
GT Pony
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Christ ... everyone just shift your car like you feel like doing. If someone blows up their clutch or transmission then they can chalk it up to lessons learned to achieve some better driving skills the next time around. 
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cbrookre
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This thread is proof positive that men have menstrual cycles... people getting a little hissy.Christ ... everyone just shift your car like you feel like doing. If someone blows up their clutch or transmission then they can chalk it up to lessons learned to achieve some better driving skills the next time around.
What I learned in this thread:
What double clutching is. Figured what it was, but still do not see how it is an advantage to just holding in the clutch. Still think it became 20x more well known after Dominic mentioned it.
That you can shift without clutch. Have seen that in Nascar, but was not sure why you would do it. Could be useful in an emergency, faster on a racetrack but seems to be a novelty for normal street driving. Interesting but not tangibly an advantage. Pretty sure any attempts by me to replicate this would lead to a trip to the transmission shop.
That rev matching makes for smoother shifts and may improve clutch life. At the very least it makes for happier passengers.
That people are very sensitive about other people's opinions about how they shift and why.
Regardless of this conversation, I enjoy my manual Stang immensely and do not put much thought into whether or not I should be double clutching.
Cheers and good night! Has been fun learning a little about shifting techniques despite the controversy.
Charles147
Well-Known Member
1 video how to clutchless shift. Not exactly what people are interested in. This is more like something to say you can do it but not applicable to most.
Well, I'll say it again. Show some videos of H/T and rev-matching downshifts in a 15. You know how they say pics or it didn't happen...
Think about it. Why post how to downshift and H/T on the internet. Flipping google it and you can read and watch all about it.
The real question should be how do you rev-match and H/T in a 15. This is really a topic that must be demonstrated through pictures and videos.
I think there are some skerd folks especially if you have a camera out there that say they are MT heros and wont show a video because of the feedback they will get. That's my POV and nothing will change it until I see videos.
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Norm Peterson
corner barstool sitter
There are a few gears and shafts between the clutch and the synchro ring/cone for the lower gear that you're about to use. When you're shift lever is in the neutral gate and the clutch is disengaged, these bits will slow down when what you want them to do is speed up along with the engine revs (your rev match). The first re-engagement of the clutch and the little kick on the throttle is what gets this done.
It's a small, but still finite, difference in synchro loading. In normal driving, it'll be of greater advantage in cars whose transmission synchros are weak to begin with or already worn.
If your car's clutch drags a little when it's disengaged, double clutching may not be necessary at all, even out on track at 10/10ths. I'll leave it at that.
Norm
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Norm Peterson
corner barstool sitter
Simple rev matching and double clutching (without H/T) are going to be done the same way almost no matter what you're driving. There has been -0- difference in my double clutching over a range of cars that includes cars with various combinations of IL4's, H4's, V6's, and V8's with 4M, 5M, 6M, and 7M transmissions. My son's DD (a Kenworth) probably works a little differently.
IOW, a video taken in any car will adequately demonstrate those techniques.
H/T is a different story, because the exact technique varies depending on pedal arrangement & positioning (somewhat vehicle specific) - and also on driver physique/joint flexibility.
Clutchless shifting . . . by conscious decision I wasn't going to be the one to let that particular genie out of its bottle. Not in this thread.
Norm
