To get best launch
11-08-2021, 10:09 PM
#1
Junior Member
Thread Starter
To get best launch
Trying to learn more about how to launch
So far my best 60ft is around 1.83 done with brake boosting and sport handling 2600-2800 rpm( wanting to get in the 1.7x)
So what i see if you use the brake and has it builds as soon as it gets to around 3400 it goes into like a limp mode.
Tryed to hit it at 3200 ish tonight and that must be to close as well. Bogged out but went
So what do you do find that work the best? And can anybody explain how that system actually works with a limp mode and what point it cuts off just bogges why anyting etc.
So far my best 60ft is around 1.83 done with brake boosting and sport handling 2600-2800 rpm( wanting to get in the 1.7x)
So what i see if you use the brake and has it builds as soon as it gets to around 3400 it goes into like a limp mode.
Tryed to hit it at 3200 ish tonight and that must be to close as well. Bogged out but went
So what do you do find that work the best? And can anybody explain how that system actually works with a limp mode and what point it cuts off just bogges why anyting etc.
Last edited by Z34TTS; 11-08-2021 at 10:17 PM.
11-08-2021, 11:28 PM
#2
Out Of Control!!
Join Date: Jun 2004
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
Do you have a tcu tune?
11-09-2021, 07:13 PM
#4
Out Of Control!!
Join Date: Jun 2004
Posts: 11,538
Received 1,933 Likes
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2014 E63S; AMS 100 octane ecu tune; edok tcu tune; BB intakes; dyno tuned
I have a tcu tune so my car doesn't bog like yours does... anymore
launching a stock tcu is rough on these cars
60ft is rough
launching a stock tcu is rough on these cars
60ft is rough
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Z34TTS (11-09-2021)
11-10-2021, 08:51 AM
#5
Senior Member
Comfort suspension, TC off usually works best for launching, and you def cant hold the car on brake boost for a period of time. You are going to be limited by the TCU though - a TCU which allows more torque in the lower gears will net a quicker 60ft. What mods are done to the car? That's an unusually high launch rpm for brake boost.
11-10-2021, 08:59 AM
#6
Super Member
if u have a ecu tune, dont launch past 2k or u risk breaking stuff. as mentioned above a tcu tune lets you use all the available power down low, so you can launch without that bog
11-10-2021, 09:05 AM
#7
Junior Member
Thread Starter
Comfort suspension, TC off usually works best for launching, and you def cant hold the car on brake boost for a period of time. You are going to be limited by the TCU though - a TCU which allows more torque in the lower gears will net a quicker 60ft. What mods are done to the car? That's an unusually high launch rpm for brake boost.
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11-12-2021, 09:26 AM
#8
Does your time change at all if you use Race Start?
