View Poll Results: When you use the paddles to shift, do you let off of the accelerator between shifts?
Yes, I let off of the gas between shifts like a manual tranny!
25
21.01%
No, my foot stays on the gas!
94
78.99%
Voters: 119. You may not vote on this poll
Paddle Shifting
12-19-05, 07:04 PM
#1
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Paddle Shifting
When you use the paddles to shift your IS, do you let off of the accelerator when shifting gears like you would when driving a manual transmission or not?
12-19-05, 08:46 PM
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What reason could there be to let off the accelerator? The ECU is there to compute the shift. After you tell it to shift up or down whether you push harder or let off, it is going to do what your foot tells it to do no matter what gear you are in. If you are ****ing up and you let off the gas then reapply pressure to the pedal, it may need to down shift again depending on the conditions. If you keep the accelerator at a constant, it will shift when it needs to and not have to shift back and forth. Remember, when you are in sport shift, you are really only telling the car the highest gear you want to be in. It can always down shift if it needs to automatically.
12-19-05, 10:09 PM
#6
Originally Posted by Kailua250
What reason could there be to let off the accelerator? The ECU is there to compute the shift. After you tell it to shift up or down whether you push harder or let off, it is going to do what your foot tells it to do no matter what gear you are in. If you are ****ing up and you let off the gas then reapply pressure to the pedal, it may need to down shift again depending on the conditions. If you keep the accelerator at a constant, it will shift when it needs to and not have to shift back and forth. Remember, when you are in sport shift, you are really only telling the car the highest gear you want to be in. It can always down shift if it needs to automatically.
Also, the 350 is pretty jerky in Sportshift mode without letting off the gas
12-19-05, 10:13 PM
#7
Originally Posted by tqlla3k
Also, the 350 is pretty jerky in Sportshift mode without letting off the gas
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12-20-05, 10:20 AM
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I've driven nothing but manuals my entire life -- the IS350 is my first car with an automatic. When I bought it, I figured I'd wind up using it exclusively in sportshift mode out of habit. As it turns out, I never use sport mode at all.
Maybe it's just because I'm not familiar or comfortable with the nuances of a tiptronic transmission, but it sure seems as if the automatic, left to its own devices, does a much better job of gear shifting and selection than I do. It upshifts faster and smoother off a launch, downshifts properly when accelerating out of a turn, and always downshifts quickly to give me power if I floor it. I really don't have any complaints.
Maybe it's just because I'm not familiar or comfortable with the nuances of a tiptronic transmission, but it sure seems as if the automatic, left to its own devices, does a much better job of gear shifting and selection than I do. It upshifts faster and smoother off a launch, downshifts properly when accelerating out of a turn, and always downshifts quickly to give me power if I floor it. I really don't have any complaints.
12-20-05, 01:47 PM
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Originally Posted by tqlla3k
I am not sure how it works on the 250, but on the 350, it does not down shift unless you are going pretty slow. Letting off the gas slightly to shift does not cause the car to downshift.
Also, the 350 is pretty jerky in Sportshift mode without letting off the gas
Also, the 350 is pretty jerky in Sportshift mode without letting off the gas
If your car is shifting jerky, you must have problems because my car shifts silky smooth even when I have it floored. I almost can't tell that it shifted! For that matter, I can't even tell I am speeding! I love my car!
12-20-05, 02:23 PM
#12
Originally Posted by Kailua250
If you are ****ing up and you let off the gas then reapply pressure to the pedal, it may need to down shift again depending on the conditions.
Also, you may be confused about how I am driving, I am only easing off the accelerator, not completely taking my foot off the gas. So I am going full throttle, partial throtte(About enough to coast at the speed I am at) Shift, full throttle.
It does not need to do that. Maybe the 250 is smooth while using the Sportsshift full throttle, but my IS is not so smooth using sports shift.
Last edited by tqlla3k; 12-20-05 at 02:27 PM.
12-20-05, 02:57 PM
#13
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Like someone else mentioned earlier, I've driven manuals for most of my life as well. I don't use the tiptronic, whether with the shifter itself or the paddles. I'd use it more often if it wasn't for the 1-2 second delay in shifting.
12-20-05, 05:00 PM
#14
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Originally Posted by Cypren
I've driven nothing but manuals my entire life -- the IS350 is my first car with an automatic. When I bought it, I figured I'd wind up using it exclusively in sportshift mode out of habit. As it turns out, I never use sport mode at all.
Maybe it's just because I'm not familiar or comfortable with the nuances of a tiptronic transmission, but it sure seems as if the automatic, left to its own devices, does a much better job of gear shifting and selection than I do. It upshifts faster and smoother off a launch, downshifts properly when accelerating out of a turn, and always downshifts quickly to give me power if I floor it. I really don't have any complaints.
Maybe it's just because I'm not familiar or comfortable with the nuances of a tiptronic transmission, but it sure seems as if the automatic, left to its own devices, does a much better job of gear shifting and selection than I do. It upshifts faster and smoother off a launch, downshifts properly when accelerating out of a turn, and always downshifts quickly to give me power if I floor it. I really don't have any complaints.
s
12-20-05, 06:31 PM
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Originally Posted by mhiggi02
When you use the paddles to shift your IS, do you let off of the accelerator when shifting gears like you would when driving a manual transmission or not?
I am surprised that 9 people have said that they do let off the gas when they shift the car
