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quick takeoff, but not outright launch with SST?

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Old Jun 17, 2009 | 09:56 AM
  #16  
Webman's Avatar
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From: Denver, CO
Originally Posted by gunzo
good luck .. he is wrong ..

when you're neutral .. non of the gears are engaged .. and the clutch is free ..

when you go to D .. the gearbox THEN selects the gear and engages the clutches ..
You are wrong. I suggest you read this TSB, and read it thoroughly. https://www.evolutionm.net/forums/mi...teristics.html

Page 1, first bullet point
To allow quicker shifts, two gears are always engaged in this transmission
Page 1, 5th bullet point, end of paragraph
Because gears are always pre-engaged in N, there is a certain amount of N gear rattle
Do I need to point out even more items that prove my point? I suggest you educate yourself before saying things that aren't true.

Originally Posted by gunzo
DO NOT DUMP the clutch from NEUTRAL as there is NO PROTECTION from the ECU !!!
This is the only thing you are right about. The ECU/ECM provides no protection to the transmission because that is handled by the TCU/TCM.

Last edited by Webman; Jun 17, 2009 at 10:12 AM.
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Old Jun 17, 2009 | 10:09 AM
  #17  
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From: Denver, CO
Originally Posted by orthojoe
gunzo, the video you posted is the kind of takeoff I'm looking for. I'm always in manual SSport and the car doesnt seem to react this way. I'll try SSport auto and see what happens today.

thanks,
Joe
Joe, I don't think he's correct about the amount of clutch slippage off the line in Normal vs. Sport vs. S-Sport modes. But this is just my opinion. I have never felt a difference between the three off the line. The difference is that sport and s-sport provide quicker (less smooth) shifts, and Sport tries to always keep RPMs above 3k, whereas S-Sport doesn't shift until redline, and downshifts as long as it will not go above 7k RPMs. But this is all in auto mode, not manual. If you read the owners manual about the different transmission modes, it explains it exactly as I just did.

As for the video, you shouldn't use that method all the time. THAT is how you will end up wearing out your clutch packs more quickly

As for neutral dropping, I was in no way advocating it. I was simply stating that the ways that I've done it, which have been very careful, and not at high RPMs, I had no problems and it seemed like a normal takeoff.

Last edited by Webman; Jun 17, 2009 at 10:12 AM.
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Old Jun 17, 2009 | 11:11 AM
  #18  
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From: Somewhere
Originally Posted by Webman
Joe, I don't think he's correct about the amount of clutch slippage off the line in Normal vs. Sport vs. S-Sport modes. But this is just my opinion. I have never felt a difference between the three off the line. The difference is that sport and s-sport provide quicker (less smooth) shifts, and Sport tries to always keep RPMs above 3k, whereas S-Sport doesn't shift until redline, and downshifts as long as it will not go above 7k RPMs. But this is all in auto mode, not manual. If you read the owners manual about the different transmission modes, it explains it exactly as I just did.

As for the video, you shouldn't use that method all the time. THAT is how you will end up wearing out your clutch packs more quickly

As for neutral dropping, I was in no way advocating it. I was simply stating that the ways that I've done it, which have been very careful, and not at high RPMs, I had no problems and it seemed like a normal takeoff.
.. so I'm finally wrong in something regarding the gearbox.. thank you for pointing it out

As for the video .. there's no launch and there's initial slippage .. after that THERE'S NONE .. that won't wear out your clutch as much as you doing neutral drops .. I have indications to tell me when the clutch is slipping and in normal mode, it slips all the time when you go full throttle IF the gearbox is unable to match up..

You don't have to believe me .. just install a pressure sensor in your gearbox and you will see it for yourself
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Old Jun 17, 2009 | 04:04 PM
  #19  
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From: PA
Originally Posted by orthojoe
I've tried revving in neutral to 2500k and then dropping into D
You'll want to stop doing that before something breaks.
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Old Jun 17, 2009 | 07:47 PM
  #20  
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From: Norcal
Originally Posted by hibby
You'll want to stop doing that before something breaks.
.....uh...thanks

Webman and Gunzo, I appreciate the comments. I did try flooring from a standstill in ssport and normal, manual and auto, and would have to agree with webman that there's not a real difference. However, I did learn something about getting better takeoff. I know this sounds completely stupid, but you just have to floor the pedal. I've driven only a manual tranmission for the past 17 years and I'm used to not having to floor the pedal and modulating the throttle during a takeoff that I assumed it was the same with this SST. Obviously not the case.

Joe
(my evolution: 5spd '93 240SX SE --> 5spd '95 Eclipse GS-T --> 6spd '04 STi --> SST EVO X MR)
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