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How do you properly downshift in a circut race?

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Old Jun 11, 2007 | 04:37 PM
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Default How do you properly downshift in a circut race?

I've seen many video's with people downshifting thier S2ks with extreme accuracy and with extremely good exit speed. When I down shifted on my S I never could get it as smooth as people in videos do... So how do you do it? If you can please post a video on proper downshifting.

Thanks, Kyle
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Old Jun 11, 2007 | 04:44 PM
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practice
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Old Jun 11, 2007 | 05:05 PM
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^ simply put, thats all you need

Every car is different. Basically, Clutch, blip the throttle to raise the revs, down-shift, and catch at a lower gear. The timing of the engagement and how smoothly you comlete the process will determine how smooth your down-shift is.
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Old Jun 11, 2007 | 05:18 PM
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Okay, Thanks!!
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Old Jun 11, 2007 | 05:25 PM
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You can practice @ every redlight.

Simply downshift one gear at a time and make an effort to be smooth. You want to blip the throttle only enough so that the engine RPM will equal the RPM of the next lower gear. If you are exact then you should not feel any jerk or shudder when you release the clutch. A perfect shift would not have any clutch slip and thus minmize clutch wear also.

Example(not acutal S2000 specs btw):

4000rpms in 4th gear = 50mph
5000rpms in 3rd gear = 50mph

So in order to perform a perfect downshift you should blip the throttle to 5000rpms while braking and you would have a nice smooth downshift!
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Old Jun 11, 2007 | 05:42 PM
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try practing the heel and toe
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Old Jun 14, 2007 | 12:51 PM
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heel toe FTW
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Old Jun 14, 2007 | 01:46 PM
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if you don't know how to downshift properly, trying to learn heel and toe won't help. you need to learn a basic downshift first, then try heel and toe.

1.)clutch in + blip throttle to match rpm to the rpm it would be in at the gear below the current gear (takes practice to learn how much blip is needed) + shift in to lower gear
2.)clutch out


note that step 1 you do 3 different things all at the same time.

practice from 6-5 and 5-4 before you try lower gears where you need a more dramatic blip

good luck dude--once you perfect this, and if you have a sweet sounding exhaust combo, you'll be looking forward to every opportunity to slow down!
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Old Jun 14, 2007 | 02:10 PM
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i'm sure that the weight of the flywheel also factors into this. It shouldn't be too bad, the stock flywheel is around 15 lb right?

I have a 24 lb flywheel, so 100rpm off is simply unacceptable
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Old Jun 14, 2007 | 06:16 PM
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I'll agree to those who said practice.
Also, what everyone is trying to teach you is called Rev matching. On a track you want to downshift as approaching the end of a straight and entering a turn , that way your not fumbling through gears while your in the turn, and on exiting the turn you can continue out that lower gear, and upshift until slowing again for the next turn. This is from my track experience, and I'd still be considered a novice
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