Wait, if you take your foot off your gas pedal while braking, and downshifting without touching the gas pedal to rev match, how did they spin?
You don't have to hit the theoretically perfectly matching rev perfectly - there's a band maybe a hundred rpm either side of 'perfect' where you'll never know you didn't get it perfect. You don't need much lead time in advance of a downshift to prepare yourself for getting it right, though commonly driven routes and similar situations also represent such stretches of dedicated driving where your eyes-hands-feet coordination also goes on autopilot.
The screw-ups I'm talking about here are the kind where you drive the rev-match-capable car enough of the time to get used to not having to do any of the rev matching yourself. Then you step into a car without rev match and the muscle memory of having ARM kicks in . . . trust me, that right foot of yours can and will occasionally forget what it was supposed to do in that car. You'd only be fooling yourself if you think that couldn't/wouldn't happen.
He didn't say the car spun, only that the rear tires did.
Thanks!
People are different, some being far more likely to get it right going from an ARM-equipped cat to a non-ARM car than others. Me, I can't picture myself not continuing to manually rev-match an ARM-equipped car, so it's easy for me to see the same sort of thing working the other way with an ARM attitude carried over to the non-ARM car.
I think he either unintentionally rendered ARM ineffective on that particular downshift or had TC off and hit the rear tires with too much power in the lower gear for the available grip. Maybe both.
Yup, same. Every car I own does Rev-Match because I'm the damn rev-match mechanism. The computer can take a back seat and let the human drive (imperfectly). The guy who spun the rear tires probably just dropped the clutch because he got lazy. You can get away with such sloppiness if the rev-match has already happened. Learn to drive a stick properly - feather the clutch every single time and you don't shock the driveline nor tires.
I don't chase down-shifts when I know I'm coming to a stop or close to it. I periodically select (but don't necessarily engage) the next suitable pull-away gear to match anticipated road speed. Say I'm in 4th on a city street, I don't select 3rd at all, I stay in 4th till crossing below 2000 RPM and then might select 2nd (and engage) if I think I'm going to time the light. or just just keep the clutch in for a few more seconds and select first in the last few feet of rolling to a (near) stop.
When you downshift a manual, you need to blip the throttle to bring the engine rpms up to where they're going to be in the lower gear. Doing it correctly means a smooth downshift that's easier on the drive train and much more comfortable for passengers. For most manual tranny drivers, it's a matter of pride to be able to do it correctly. These days, the auto manufacturers have added programming to the car's electronics that allow the computer to blip the throttle when you downshift. It sees which gear you're downshifting too and brings the rpms up to the right spot regardless of whether you're dropping one gear, or two or three. It's much more precise and consistent that us mere humans can be and takes a load off the driver in unexpected situations. It also allows mediocre drivers to look much better than they are. You can go into the menu system on the car and turn this feature on or off as you wish. That it is turning itself off isn't right.
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I'm in the market for an ecoboost and I'm wondering if the 19+ get down shift rev-match as well since they have the same transmission as the GT in manual. I think it's a cool feature but I haven't heard anyone talk about it or seen any videos where people have an new ecoboost manual and show the rev match feature.
