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Ecutek launch control on Manual Transmission

I had some questions on Lauching a Manual Z using the EcuTek Lauch control. I have a Ecutek tune by Dynosty on my Z and everytime I try launching the

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Old 02-13-2019, 12:56 PM   #1 (permalink)
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Default Ecutek launch control on Manual Transmission

I had some questions on Lauching a Manual Z using the EcuTek Lauch control. I have a Ecutek tune by Dynosty on my Z and everytime I try launching the vehicle using the Launch control, it always tends to spin the wheels till redline. I'm not sure if I'm doing it right, and hope someone can chime in.

1. Auto Rev Match ON
2. First Gear
3. Hold the clutch and Plant the throttle. Engine RPMs hold at 4k
4. Cruise control down button to set RPM to 2-2.5k
5. Dump the clutch with throttle at 100%

I tried this with Traction control ON, and OFF. With DTC OFF, The tires break lose as soon as I dump the clutch. With DTC ON, it cuts power.
Do I have to reduce and modulate throttle input as soon as I let of of the clutch? I assumed the RPMs will hold at Set RPM until the tires hook up (similar to vehicles which come stock with Launch control), but it just starts spinning all the way to the red line. Had much better launches without using this feature and by feathering the throttle. Am I not doing it right?
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Old 02-13-2019, 03:10 PM   #2 (permalink)
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https://www.google.com/search?q=Ecut...%3Athe370z.com
https://duckduckgo.com/html?q=Ecutek%20launch%20control
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Old 02-14-2019, 09:21 PM   #3 (permalink)
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Thanks. I went through these links. Most of the focus is on how to engage launch control and how to set RPM. Nobody really mentions what to do when you dump the clutch.
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Old 02-14-2019, 11:19 PM   #4 (permalink)
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I know zero about electronic launch control but "dumping the clutch" doesn't sound like the way to go. With the clutch fully engaged at a standstill, you will either stall the engine, break the wheels loose, or cause the clutch to slip. Plus it's hard on the drivetrain. Try feathering the clutch a little until you get moving.

Or wait until someone that knows what they are talking about chimes in.
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Old 02-15-2019, 09:31 AM   #5 (permalink)
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You need to modulate the throttle still. If you have adjustable traction control, you can try to play with that.
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Old 02-15-2019, 12:18 PM   #6 (permalink)
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I don't think the tune made any changes to the way Traction control reacts. I don't have adjustable Traction control (as far as I know). The tires do light up when I release the clutch, so I'll try feathering the clutch with the accelerator to the floor. Maybe that'll hold the revs until the wheels hook up.

If I have to modulate throttle after releasing the clutch, then I don't know how this feature helps launch the car better. I can hold the revs via modulation manually to get a better launch. Not sure if I'm missing something or expecting too much from the feature.
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Old 02-15-2019, 01:08 PM   #7 (permalink)
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The job of the launch control is to keep you from bogging or launching at too high of a rpm. It is not a traction control to keep the wheel from spinning
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Old 02-15-2019, 02:17 PM   #8 (permalink)
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I can send you the adjustable traction control if you have the ecutek hardware to flash it on
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Old 02-15-2019, 02:20 PM   #9 (permalink)
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Quote:
Originally Posted by Justint5387 View Post
The job of the launch control is to keep you from bogging or launching at too high of a rpm. It is not a traction control to keep the wheel from spinning


Launch control simply allows you to set the RPMs and the car holds them for you until you launch. Traction control is another matter entirely. Practice practice practice. Adjustable traction control helps, too. Ecutek can create custom TCS maps for this purpose - check with your tuner.
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Old 02-15-2019, 03:30 PM   #10 (permalink)
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Like what was said before, launch control doesn't use traction control to manage grip when you initiate. You can however run a custom traction control map that does manage slip and use it with launch control. I currently have mine based on a % of slippage and RPM. It is still faster to modulate your clutch and feed gas progressively than solely rely on traction control to quell wheel spin. The stock traction control system is trash and only recommend using it for normal driving IF you don't have your own customized traction control system. Yaw is still it's own thing that can intervene with your custom TCS map.
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Old 02-19-2019, 02:25 PM   #11 (permalink)
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Thank you All for the feedback. I was under the impression that Launch control with Ecutek would also use traction control to manage Grip. It is definitely faster to work the clutch and throttle and get a better launch.
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Old 02-19-2019, 02:48 PM   #12 (permalink)
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Just nut up and get a MOTEC 150. Problem solved. Not cheap though.
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Old 03-07-2019, 07:55 AM   #13 (permalink)
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I think the best resolution is to get good tires
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