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Launch Control - What am i doing Wrong?
- Thread starter Seanay
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Seanay
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Assuming you are on flat surface streets and you have your clutch pushed in? Not sure what your asking. If foot goes off clutch should engage gear and take off, in short nothing.
Silver Bullitt
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I'm sure this is intended for the drag strip not the street. As with any drag strip launch with a manual transmission, one foot on the clutch and the other on the gas. You shouldn't be rolling until you let off the clutch.
I've been down this road before, but I just don't see any real reason for the LC in a street car manual transmission at the drag strip. It's not like a two step, and to me it's not that hard to hold a steady rpm, and easier to roll into the throttle after you launch than trying to back off the throttle and then roll back into it. I would never want to use traction control at the drag strip either. I guess it could be a learning tool, but I'm just not sure what you're really learning.
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Seanay
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If you have regular street tires and no wheel hop issues addressed I would assume no more than 3-3.5k. If you are on slicks or at least something stickier than stock and at least have vertical links or bushings replaced then 4k is what I'm seeing
David Schmidt
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You're supposed to do this from a standstill, so I assume you are advised to do this on level ground.
If I can't feather the clutch (it disengages LC if I do?) and have to just drop it, I'm not too excited about this. There's nothing stopping me from holding 3k RPM myself and managing clutch engagement as I floor it... maybe I have to try it to appreciate it. Or something.
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Sivi70980
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It's just state of the art cool guy wiz bang.....
Sivi70980
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With everything engaged and working, you accelerate as fast as your tires get grip. It's pretty violent and not something I'll do very often if ever again. If the car rolls (not on a level surface) it also disengages LC.
Sivi70980
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On the day I did my runs, the car liked 3800RPM but still bogged a sec in 1st after the initial clutch dump. Completely stock car. Wheels spun only briefly till TC did it's thing and didn't feel any wheel hop.
boos550t
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Line lock is the same concept. Mash the gas and just dump the clutch. The only difference is that your front brakes are locked so you won't move.
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boos550t
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It needs to be level
Are you holding the brake in all the way and holding it until it says its engaged?
Are you holding the brake in all the way and holding it until it says its engaged?
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Seanay
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Do you have IRS bushings upgraded or vertical links and what tires you running because i am getting a lot of wheel hop at even 3200 rpm launch..I'm going to upgrade my rear cradle bushings and links this week i think and see if that helps alot.
And @SGR05..I feel ya. I also thought the LC was not engaging but basically you have to quickly dump the clutch to really feel what LC is suppose to do. If you feather the clutch in, we really dont need the LC as most who are using manual already can do this on our own without the LC being engaged. What my issue was/is that I thought the LC feature would hold the car at whatever RPM you set it at and I was not holding down the gas after it would get to the RPM set limit. You have to hold the gas down and you will notice that the LC feature does not let your car rev any higher then the set limit RPM range, then while holding down the gas still, you want to release the clutch. You have to play with it a while as one of the other guys said, it is violent if you just "dump" the clutch and you probably won't want to do it alot. But if you're going to feather the clutch too much it disengages and it defeats the purpose of the LC imo. So play with it a bit and see where you think there is a good medium between dumping clutch and not burning out your clutch in a few months.
And @SGR05..I feel ya. I also thought the LC was not engaging but basically you have to quickly dump the clutch to really feel what LC is suppose to do. If you feather the clutch in, we really dont need the LC as most who are using manual already can do this on our own without the LC being engaged. What my issue was/is that I thought the LC feature would hold the car at whatever RPM you set it at and I was not holding down the gas after it would get to the RPM set limit. You have to hold the gas down and you will notice that the LC feature does not let your car rev any higher then the set limit RPM range, then while holding down the gas still, you want to release the clutch. You have to play with it a while as one of the other guys said, it is violent if you just "dump" the clutch and you probably won't want to do it alot. But if you're going to feather the clutch too much it disengages and it defeats the purpose of the LC imo. So play with it a bit and see where you think there is a good medium between dumping clutch and not burning out your clutch in a few months.
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