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Scion FR-S / Toyota 86 GT86 General Forum The place to start for the Scion FR-S / Toyota 86 | GT86 |
View Poll Results: Heel Toe around town? | |||
ALWAYS RACECAR | 97 | 35.79% | |
Sometimes, for fun | 78 | 28.78% | |
Almost never/don't know/don't care for it | 78 | 28.78% | |
Drive an Auto | 18 | 6.64% | |
Voters: 271. You may not vote on this poll |
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06-06-2013, 02:46 PM | #85 | ||||||||
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You may be able to adjust the brake pedal so it engages slightly deeper in the stroke. Quote:
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This is a stupid argument although people like to focus on it. The wear one way or the other is marginal. If someone really wants to argue technicalities, properly executed rev matching/heel toe/double clutch techniques require nearly ZERO clutch slip. That's the whole point. |
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06-06-2013, 02:51 PM | #86 |
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I'm getting sick of this whole blipping thread.
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06-06-2013, 02:59 PM | #87 | ||
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And as others have said, it's fun, good practice, and there's no reason not to if you're able/comfortable.
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06-06-2013, 03:03 PM | #88 | |
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06-06-2013, 03:15 PM | #89 | |
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you sir have a COMPLETELY BUNK understanding of how a clutch works, sorry, the only correct statement you made is in bold, the rest actually contradicts that statement. if the flywheel and input shaft are spinning the same speed when you release the clutch (the result of a proper rev matched down shift) there will be far less friction and therefore far less clutch wear. this is the reason forums suck, people that half half an idea suddenly think they are mechanical engineers and can explain away perfectly good logic by reliving a story another moron told them. Next time you THINK you have something intelligent to say phrase it as a question, that way when someone has to contradict you it wont have to be so harsh, |
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06-06-2013, 03:44 PM | #90 | |
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06-06-2013, 03:45 PM | #91 |
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no the synchros make sure the counter shaft and main shaft are spinning the same speed
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06-06-2013, 03:54 PM | #92 | |
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The same could be said for double clutching, it uses the engine to match the input shaft speed to the rest of the transmission so the synchros are at match speed before the gear is selected. Thus, the synchros do virtually nothing. |
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06-06-2013, 04:13 PM | #93 | |
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I heel toe all day every day. Why because for me it results in a balanced planted car coming into a corner and torque on power ready. Also, practice makes perfect! Its not about being able to blip the throttle or slamming on the brakes to heel toe...its about learning to be consistent with your inputs. Holding consistent brake pressure or even making small adjustments while modulating your feel and other parts of your body just equal in better control of your vehicle whether or not you are racing/tracking or driving like grandma. Edit: You don't need to be hard on the brakes to heel toe...if you say you do, you can definitely benefit from a little more practice. And for those of you worried about wear on the clutch...i just heel toe shifted clutchless down a gear. That should guarantee no clutch wear. And save the clutchless shifting debate for the clutchless shifting thread. Search, it's there and call me out there on how bad it is for my synchro's not that it matters because i do/did it on all my cars with never a trans issue...ever.
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05 Raven R6 13 Raven FRS M/T Last edited by FRSPirate; 06-06-2013 at 04:44 PM. |
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06-06-2013, 04:15 PM | #94 |
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^ Also, I think you can lose some points on the drivers test if you are in a stick and you keep it in neutral (or in gear with the clutch depressed in that kind of a manner) since you are not technically in control. I thought I had heard that before.
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06-06-2013, 05:05 PM | #95 | |
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^This. Also, are they launching from lights at 3-4K? Heel-toe minimizes clutch wear by matching it so it doesn't wear as much. If you're not rev-matching, you're tearing up the clutch more because of the difference in speeds. Good article below http://www.edmunds.com/how-to/heel-a...downshift.html |
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06-06-2013, 05:58 PM | #96 |
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Disclaimer: I do it for fun and for smoothness. Everything below this is secondary.
With the above in mind, I heel-toe daily and have been for the last 4 years or so. At first I could only do it smoothly when I was driving fast, now, in general, I can do it so that the shift is nearly imperceptible at any speed as long as I'm paying attention to what gear I'm in and the speed etc. After a couple years of doing it daily it just becomes part of how you drive, there's not really any fanfare or theater about the whole thing. At low revs the sounds the car makes are even relatively mild. As a secondary point, I have to agree with @FRSPirate. I like to be in full control of my car at all times. That means being in a gear where the car's power is useful. Brakes can help me stop if something in front of me is going awry. If I need to get on the power I don't want to have to guess which gear to go into from neutral if I was previously coasting in neutral, or have to shift because I'm in 4th at 1800 rpm because I didn't downshift beforehand. Here's a few situations where being in the wrong gear can cause problems: You're slowing down for a turn. You leave the car in a high gear and plan to downshift after you've completed the turn. You see someone coming up behind you too fast, talking on their cellphone. Your car has the capability to accelerate and get around the corner and out of the way faster, but you either bog the car, or in your panic to get into a more proper gear, choose the wrong one or delay and you get rear ended. You're slowing down for a turn. You put it in neutral. Same scenario as before. Without thinking you stomp the gas to get out of the way. Nothing happens except a lot of noise. You get rear ended. Alternatively, you pick the wrong gear. The delay caused by having to shift combined with the surprise of either the sudden spike in revs or lack thereof causes you to get rear ended. It's raining. You're coming up on a turn. You preemptively shift down from 5th into neutral and then into 2nd right before the turn. As you exit the turn, you let the clutch out. You were going faster than you expected and should have revved the car up more and/or taken the turn in 3rd. The sudden jerk from the drivetrain causes your rear wheels to loose traction. You spin the car and look like a yob. I can think of more examples but I'd rather not write a novel. Bottom line, the car should as much as is humanly possible, be in an appropriate gear. My general method is to simply rev match and engine brake down to 2nd and then brake and into neutral as I get very close to a stop. But if I'm coming up on a turn and need to slow down a bit quicker than that, I heel toe because I like to be in an appropriate gear at all times. If I'm slowing just using engine braking and suddenly traffic in front of me slows significantly and unexpectedly, I heel toe because I like to be in an appropriate gear at all times. And referencing the first line of this post, sometimes I do it just because I enjoy it and I like the practice. I've given all kinds of people rides in the last four years and not once has anyone spoke up about my driving being reckless or jerky or boy racerish (Well, aside from my mom. ). That includes going on dates where that type of driving is not a good idea. Making a lady uncomfortable =/= successful night. Heel-toe/revmatching/keeping the car in gear if at all possible just eliminates any guesswork as well. If something unexpected happens I can count on the car to react in a predictable manner. I don't have to decide in a split second which gear to jam it into, I don't have to worry about dropping the clutch fast enough, but not so fast I break traction, I don't have to guess where to revmatch to from neutral or from some gear 3 gears up from the new gear. I memorize the revmatches between 6-5, 5-4, 4-3, 3-2, and unless something happens seriously suddenly and I need to skip a gear or two to really get out of something's way, I can keep things perfectly smooth and know exactly what's going on. Cheers Nathan |
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06-06-2013, 06:34 PM | #97 |
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I heel toe all the time and always approach a slow corner or full stop in 2nd gear. Heel toe is a driving technique that has become synonymous with performance driving so most people only learn of heel toe down shifting in a performance/racing context. Heel toe can be used responsibly and performed discretely in traffic on public roads.
I find heel toe most useful when approaching slower traffic where I need to slow down but also anticipate not having to stop. I find decelerating in gear allows me to focus on the traffic situation ahead as opposed to taking the transmission out of gear and having to find the correct gear and engine speed afterwards. I also never go through a corner in neutral or ride the clutch. You can comfortably and responsibly complete turns at an intersection in 2nd gear at 1500-2000rpm. I prefer to brake and select the correct gear at the same time as I approach a corner. This does not mean late braking from a high speed. When I exit the corner all I have to do is apply the throttle and accelerate out and no this does not mean full throttle with tires smoking. I prefer to not have to worry about selecting the correct gear, finding the correct rpm and then accelerate away. By heel toe down shifting into a corner, you are overlapping the two processes of braking and selecting a lower gear as opposed to braking, completing the corner, getting back into gear and then accelerating away one step at a time. It's just more efficient to heel toe and does not have to be done at racing speeds to be executed smoothly. Just as you wouldn't power shift full throttle and slam the gear selector into each gear every time you accelerate, heel and toe down shifting can be done under light braking, with small throttle inputs while slowly selecting the next gear; it just requires precise control of the pedals. When I first started to learn to heel toe I was awful at it. There are a lot of different things to think about in a short amount of time. I had a hard time moving the gear selector 'backwards'. I would either apply too little or too much brake force too early or too late as I approached a corner or stop. I would also apply too much or too little throttle. It takes practice and patience to get all of these motions smoothed out and it eventually just became muscle memory. I have test driven an FR-S and I heel toe'd as I normally would and did not drive aggressively; the salesman even said "Don't hold back just because I'm here". As the brakes were new I had to adjust my technique to be able to apply the throttle while applying minimal brake pressure. I found the throttle to be programmed aggressively in the FR-S, the engine accelerates very rapidly so a tiny bit of throttle goes a long way. I also found the pedals to be well spaced for heel toe. The Senna video is an excellent illustration of precise pedal control it’s like he is massaging the pedals. He operates the pedals delicately but maintains full control at all times. Driving is like dancing in the sense that one person leads and the other follows. The leader has the responsibility to control the tempo and rhythm of the dance. They can choose to be aggressive and powerful; or be delicate and full of finesse. When you’re behind the steering wheel, you decide how your driving is preformed. Last edited by DM7; 06-06-2013 at 06:45 PM. |
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06-06-2013, 06:55 PM | #98 |
u aware?
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i only do it when im spiritedly driving around a turn or if i really have to due to morons which is pretty rare...
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