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Launch Control ?

GoBlues38

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Trust me ive dragged race all my life and have tested lots of LC and this is the first one that revs go down from the set point and that feels like the car boggs down.
and it is bogging down...because power is being cut. purely a loss of traction issue. untill you get better tires and the back end locked down....launch control is worthless.
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jrsimon27

jrsimon27

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UPDATE: My car was bogging down using LC. How i avoided this: i used LC set rpms to 4500rpms and i did PRELOAD with the clutch pedal! Amazing how this car launches.
 

Tommy V

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Launch control does not boog the car down,traction control and advance traction do.I use launch control and have 1.7 60 ft times.You might be feeling the clutch protection which is in the torque management area of the pcm.I had alot of issues with that, but!!!! If your not turning of your advance trac control it will do excatly what these guys are saying
 

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IvanCRF

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Launch control does not boog the car down,traction control and advance traction do.I use launch control and have 1.7 60 ft times.You might be feeling the clutch protection which is in the torque management area of the pcm.I had alot of issues with that, but!!!! If your not turning of your advance trac control it will do excatly what these guys are saying
Did you take care of the torque management through tuning? It bogs me down sometimes.
 

Tommy V

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Did you take care of the torque management through tuning? It bogs me down sometimes.
Yes i went with the lund ff tune,i also specifically ask them to tune out as much of the clutch as possible.I will find out this weekend when i launch my car at the track.I only had problems at the track,good prep and drag radials on.Also side note,i was told from someone at sct that if u dont take advanced torque management classes then u cannot tune that area even if u are a sct dealer.
 
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jrsimon27

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Launch control does not boog the car down,traction control and advance traction do.I use launch control and have 1.7 60 ft times.You might be feeling the clutch protection which is in the torque management area of the pcm.I had alot of issues with that, but!!!! If your not turning of your advance trac control it will do excatly what these guys are saying
Its not my case did multiple runs using LC and it never boggs down but indeed i have to preload the drivetrain using the clutch pedal. Also if you turn off traction control you no longer can use LC it reads RPM.
 

GSLSE20B

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My launch control doesn't go high enough , if I launch under 5500 it bogs . If I use launch control my car looks like a porpoise and I get 2.+ 60ft .
 
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jrsimon27

jrsimon27

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Well what i do to preload the drivetrain i do a quick slip with the clutch pedal.
 

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Tommy V

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Its not my case did multiple runs using LC and it never boggs down but indeed i have to preload the drivetrain using the clutch pedal. Also if you turn off traction control you no longer can use LC it reads RPM.
I have used my launch control with trac and advance trac off many times.Their have been times when i had to turn the car off and back on to get it to work though.
 

Tommy V

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My launch control doesn't go high enough , if I launch under 5500 it bogs . If I use launch control my car looks like a porpoise and I get 2.+ 60ft .
My buddy has that problem with slicks,but with drag radials i have not had that problem.
 
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jrsimon27

jrsimon27

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I have used my launch control with trac and advance trac off many times.Their have been times when i had to turn the car off and back on to get it to work though.
When i turn off traction control it says on the screen Launch Control not available. And the lc turns into rpms does this happen to you?
 

Tommy V

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When i turn off traction control it says on the screen Launch Control not available. And the lc turns into rpms doacceleration en to you?
No not at all,sometimes it will say launch control not available but it still works.Side note when u use launch control u have to push the accelerator pedal fast or it will redline on u.
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