Do you guys double clutch?

[Turf1600]

I just drove my "new" 90 325is to work today for the first time - and I'm still double clutching. I never did it until my 3rd gear went bad on my 87. I think the shifts are smoother when I do so I'll keep doing it - what about you guys?

[E30SPDFRK]

Do you mean downshifts or all shifts? Downshifting, I heel-toe almost all the time, I only double clutch if I am going into first. I think that double clutching wears out your clutch faster because you are using it more, but I don't know for sure.

[Turf1600]

Do you mean downshifts or all shifts? Downshifting, I heel-toe almost all the time, I only double clutch if I am going into first. I think that double clutching wears out your clutch faster because you are using it more, but I don't know for sure.

Not sure about that one. Since the firts shift is into neutral I don't really think it would cause any wear - it's not like it's under load.

[maxel]

what is double clutch?

[LINUS]

Not since the invention of synchromesh gears have I bothered. It's still good to know, but I have only encountered 2 times I needed to do it. My Dad owned a ancient dumptruck I used to drive around his property as a kid, and one time in the woods I ran a skidder with a 3 speed. I want to say both were made before 1950.

Is there any advantage to doubleclutching a synchromesh? I was led to believe it was wasted effort, but I'm willing to revisit that belief if you know something.

[Turf1600]

I think it's easier on the syncros. Not to mention my shifts are far smoother.

[Yakinho]

Unless I'm running the car unusually hard, I only really double clutch when I am in sharp turns, mostly going uphill. If I'm unfamiliar with the car then I'll double clutch in case I don't trust myself to rev match, but this is usually when I'm driving someone else' car. 90% of the time I single clutch/rev match due to me driving the e30 so much.

[Turf1600]

Forgot to mention - vin desiel reccomends if in F&F. lol

[FredK]

what is double clutch?

when upshifting, clutch in, shift into neutral, clutch out, revs drop to appropriate # for next gear, clutch in again, shift into next gear, clutch out

[Yakinho]

Now that I think about it, I've never double clutch up shifted... Wheres the advantage in it?

[maxel]

when upshifting, clutch in, shift into neutral, clutch out, revs drop to appropriate # for next gear, clutch in again, shift into next gear, clutch out

thanks

[BigD]

Now that I think about it, I've never double clutch up shifted... Wheres the advantage in it?

In syncro boxes, there really isn't any other than a slight reduction of wear on the syncros (it's not like they'll do no work, the shaft will still slow down some unless you have a HUGE heavy flywheel). It was a required technique in non-meshed gearboxes, and some trucks still use those gearboxes because a constant-mesh syncro box with 15 speeds, beefy enough to handle thousands of ft lbs of torque is going to weigh a shit load and that's weight they can't put into the trailer ($$$$$$).

Some people still argue for it as a techinique for FASTER shifting and whenever I hear that I want to penis whip them to death. That is so completely asinine that I never even bother anymore. On the track you ideally don't want to use the clutch at all so you can use your left foot for braking and right for throttle. But if you don't have a non-syncro racing gearbox and you care about the life of your dog clutches then you have to use the clutch and heel-and-toe (or toe-and-toe as most people actually do) is the best way to downshift without upsetting the car.

[LINUS]

Now that I think about it, I've never double clutch up shifted... Wheres the advantage in it?

It was how you had to shift before synchromesh gears were invented. I'm interested in hearing a benefit for trannys with synchros too, I'm not of the belief there are any. But I'm open to learning if anyone here knows of a clear benefit.

Anyone?

Or does it just put more wear on your clutch?

[LINUS]

Haha - D, you beat me.

[BigD]

Haha - D, you beat me.

Too slow :down: I can type faster than most people masturbate