Sequential Shifter
Can somebody give me a dummy's explanation of what a sequential shifter does and its value. I've got basic car knowledge but things go over my head quickly. Thanks!
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You can do no lift upshifting, as soon as your hand touches the shifter, the computer cuts the gas and you push forward and the car will shift to the next gear. You still need to use the clutch and heel toe for down shifting (by pulling back on the shifter).
GMG and FBL sells conversion kits. |
Aw... so you still have to use the clutch, but inly for downshifting.
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Originally Posted by NorthVan997C2S
(Post 2479657)
You can do no lift upshifting.
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Originally Posted by mobonic
(Post 2479700)
Aw... so you still have to use the clutch, but inly for downshifting.
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Originally Posted by speedyellow4
(Post 2479639)
Can somebody give me a dummy's explanation of what a sequential shifter does and its value. I've got basic car knowledge but things go over my head quickly. Thanks!
Note that the conversion kits mentioned here only replicate the shift action and do not provide most of the benefits of an actual sequential gearbox, and they actually complicate the shifter mechanism (some kits can be unreliable). IOW, rice. |
sounds like PDK is easier.:D
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Originally Posted by mousecatcher
(Post 2480327)
nope. again, due to dog rings, you do not have to use the clutch period. nothing to do with the sequential mechanism.
in a sequential gearbox you do need to use the clutch in engaging first gear and reverse. Upshifts can then be clutchless, so can downshifts (requires a lot more skill than clutchless upshifting). i have a holinger sequential in my viper, speaking from experience |
Originally Posted by 777vegasviper
(Post 2480480)
i have a holinger sequential in my viper, speaking from experience
(rep point for vegasviper) |
Originally Posted by 777vegasviper
(Post 2480480)
in a sequential gearbox you do need to use the clutch in engaging first gear and reverse.
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I don't see the point to those expensive gearboxes when manual gearboxes found in Porsche's and Vipers are already strong to begin with. If it's shift time you're after, learn to shift faster!
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Originally Posted by mousecatcher
(Post 2480716)
sure, when stopped and engaging any gear you need to use the clutch of course, and again this has nothing to do with the sequential mechanism.
Originally Posted by mobonic http://images.ibsrv.net/ibsrv/res/sr...s/viewpost.gif Aw... so you still have to use the clutch, but inly for downshifting. "nope. again, due to dog rings, you do not have to use the clutch period. nothing to do with the sequential mechanism." both of the above are your quotes, which one is correct? |
Originally Posted by 777vegasviper
(Post 2481320)
both of the above are your quotes, which one is correct?
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I have the hollinger-sourced sequential as the stock tranny in my '08 GT3 cup. You should use the clutch when downshifting, and you need to accurately blip the throttle to match revs.
Upshifts ARE fast but not so easy, in the higher gears it's easy to crunch the box if you don't hit it just right. It's cost me about $1K per hour to service my gearbox this year :(. And that's not unusual. Here's what is looks like from inside the car: http://www.analogman.com/911/gt3cup/shifter.jpg http://www.youtube.com/watch?v=j24yAwGrsRo |
Originally Posted by jpvarghese
(Post 2480865)
I don't see the point to those expensive gearboxes when manual gearboxes found in Porsche's and Vipers are already strong to begin with. If it's shift time you're after, learn to shift faster!
Originally Posted by analogmike
(Post 2483580)
I have the hollinger-sourced sequential as the stock tranny in my '08 GT3 cup. You should use the clutch when downshifting, and you need to accurately blip the throttle to match revs.
Upshifts ARE fast but not so easy, in the higher gears it's easy to crunch the box if you don't hit it just right. It's cost me about $1K per hour to service my gearbox this year :(. And that's not unusual. Here's what is looks like from inside the car: http://www.analogman.com/911/gt3cup/shifter.jpg http://www.youtube.com/watch?v=j24yAwGrsRo |
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