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MrCthur 2nd gear starts to get that clutch nice and warm

Skip 4-6 for fuel economy? Is that why automatic transmissions sometimes even have 8 gears, just to skip some of them?

@@Blast-Forward a case where you are entering a free way and use 3rd/4th to accelerate quickly, leaving you in high revs and high speed, may be a case where you go straight to 6th to begin cruising. no need to go through 5. A passing situation may be similar, assuming you won't over-rev, you can drop 6th to 3rd, execute the pass, then resume 6th after you let the revs settle. I think the 8~10spd autos these days are to have a wide variety of gears over a wide spacing so you can be in a fuel-conscious cruise gear or a high-torque gear that keeps the engine in an optimal operating zone/range. Some of them shift so bloody quick there's really no downside other than complexity. Depending on programmed and what your right foot demands - I wouldn't be surprised if those autos hunt around and skip a lot.

Depends on the car... in mine, anything below 2500 rpm is basically lugging the engine lol.

It will be super gentle on the transmission as long as you're smooth. Logically it would be equivalent to going from first to second normally. Revs at idle is pretty much matched to second gear at 5 mph or so for many transmissions.

Most of the time, drivers use all of the gears shifting up for the best acceleration, but skip gears sometimes going down. If you're in 4th gear braking hard into a 2nd gear corner, there's not much point going into 3rd at all... some drivers do it just out of habit and so they don't risk blowing a 4th-2nd shift, but if you practice it's pretty easy.

A normal 3-point belt is really just for the street, daily driving. In the rally school cars, we use 4 point belts because they're a big improvement. They hold you in position for better control of the car when you're going fast, spread the load much better if you get into crash, and hold you in place in a rollover. 5 and 6 point belts are really the best if you're racing and could get in a very serious crash. The "submarine" belt is the crotch belt that the 4 point does not have. Sometimes there are two sub belts and that makes it a 6 point. The sub belts keep you from sliding out from under the normal 4 point belts in a really bad crash where maybe the seat breaks or comes disconnected, the chassis deforms, etc.

Since when did explorer become ecosport🤣

Yes absolutely, same rules apply. No need to go 5-4-3 just go 5-3 and match the revs if you need to.

You can if you know what Rpms you're gonna have in 3rd at that speed. I tend to not skip gears when downshifting as it's difficult to revmatch precisely when the difference in rpm is that great.

a.k.a. double clutching ;)

Synchros are related to skipping gears, but mostly when downshifting. When upshifting, as soon as you clutch out the transmission starts to slow down just due to friction so by the time you actually move the lever to the higher gear, the transmission has already slowed to nearly the correct speed and the synchro doesn't need to do much. But when downshifting, the synchro needs to work hard to bring the transmission up to speed, and if you skip gears then it needs to compensate for a larger speed difference. Of course if you double clutch your downshifts, then that is a non issue because you are manually doing the synchros' job using the clutch and engine.

Any time you'd like, as long as the speed and RPM make sense you're good to go.

Technically it does make them work a bit harder, but that's what they are for really, unless your oil is very old and dirty, or there is no oil in the transmission, there is no issue really. The synchros last a very long time (not counting some notable exceptions, most cars are fine) unless you slam the gears in really hard.

Synchros wear unless gears are matched perfectly, which is usually a hit/miss for humans. Rev-matching and/or double-clutching is a good for the drivetrain and comfort. The minimum amount of force that's required for shifting can be felt by shifting while the engine is not running; any stronger force than this is putting wears on synchros. Tip 1: Don't force gears in unless you really need to; shift firmly and wait for the machine (let the synchros do their jobs). They're designed to be used this way. Tip 2: If at low speed and it won't go into 1st, put the gear in neutral with the clutch engaged (pedal up), then blip the throttle a little, disengage the clutch (pedal down) and shift into 1st. It should go in smoothly.

Allan Lai et al. I don't know when everyone stopped double-clutching on down shifts. "Rev matching" without double clutching (rev while lever pauses in neutral with the clutch up) does *not* spare the synchros even a little since they are still forced to speed up the next gear (which is done by revving with the clutch up in a neutral). Matching revs while the clutch is let up in a lower gear only saves wear on the clutch and post-transmission drivetrain since the synchros have already been abused and are locked at this point.

Tim Winters I try to double clutch on 3-2 and 2-1 because I find otherwise these two are hardest to shift. Others I feel the ratio is very close and harder to get the match just right (very easy to give too much rev) and also the benefit is not as great. I also find in performance driving I can feel the difference the most. Eg if I go 3-2 at 5k rpm I can match more easily and the shifter would glide right in with minimal effort. But if I try to do it at 2 or 3k rpm then I almost never get that same feel. Maybe because I’m just not doing it right?

@@allanlai_ The minimal effort glide into the lower gear (after your clutch-up rev) you experience is how all your double-clutched downshifts should feel. Only lots and lots of doing it gets you to the point where most of your downshifts feel just right. Remember, less rev is needed when the step is smaller. There is a perfect combination of blip and speed of executing the double clutch for each unique downshift; your brain eventually does all the math to hit that combination after much trial and error. When I was learning to drive it was unacceptable to downshift without double clutching, and to do so most often (since usually done at corner entry) while heel-and-toeing, so I never allowed myself a lazy downshift. Strict adherence to proper technique fairly quickly makes performing it a nearly trivial, thoughtless process. You're doing it right; practice will get the math done automatically.

your wallet has to love you

@@TheNeYrox If you're referring to fuel economy....I get 35+ mpg consistently. And it's not a Prius. :)

If you drive like that then why not just get an auto?

@@yellowfintuna892 Only on KZfaq is a comment like this possible!

Highway traffic around here ranges from 50mph to 80mph and is relatively unpredictable with cars speeding up and slowing down around you at random. I tend to cruise around in 4th and 5th in these conditions, gives me enough power to maneuver if needed while being high enough gear to cruise without crazy engine braking or gas consumption. I only really go into 6th when I'm at least 70mph with an open highway in front of me.

modnaR double clutching is going to be the smoothest downshift.. aswell as the least wear on your car. If its still not smooth you are probably not accurately matching your rpms

@@bmxscoot86 Typically I'm just off by like 100-300 rpm when I am off, though I surprised myself with a lot of smooth shifts today haha. I was told when I am off by that small of rpm its the synchros taking over, not the clutch, is that true? I'm just trying to avoid any and all unnecessary clutch wear first and foremost

modnaR practice makes perfect.. and yes thats why the synchros are there. Your not gonna get every shift dead on.

@@bmxscoot86 Roger. Thank you for the info :)

Dominic Wadkins, yeah wrx’s are geared pretty interesting. Depending on how hard you want to drive starting speeds for 2nd in a WRX range from 10 if you’re just relaxing to about 30, and in my 2016 2nd gear redlines at 60 miles per hour. If I’m really revving it out I take first to 25 or 30 then second to 60. It just depends how aggressively you are driving.

0.9 litre 4 cylinder? What do you drive?

@@jordanbell4420 fiat seicento, polish made car. It weights only 700kg/1550 pounds so the little 35hp engine does make it move but boy is it slow af. I find myself flooring it a lot.

@@jarekpszuk6944 They're pretty cool. I always thought they had at least 50bhp though.

Switch it to 4th and then 3th mid corner use 1st thats how i do it

Yee Sen Chai nah man you were first