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standing start problem

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Old 09-04-2017, 01:28 AM
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Team Pothole Racing
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Default standing start problem

Hi All. I have a C6 race car with a standard GM computer, LS3 , close ratio T6060 G/box. 4.10 diff gears. I turn the traction control off when I go on track (naturally)
When I do a standing start at the track the engine management cuts the engine power. the more revs i give the longer it takes to come back.

Does anyone have experience with this. When I test it on concrete at the work shop it lays rubber, but on an asphalt race track with hot gripy tires it shuts down.

thanks in advance.
PS this is Q 1 next question about suspension.
Old 09-04-2017, 08:32 PM
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Dcasole
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Originally Posted by Team Pothole Racing
Hi All. I have a C6 race car with a standard GM computer, LS3 , close ratio T6060 G/box. 4.10 diff gears. I turn the traction control off when I go on track (naturally)
When I do a standing start at the track the engine management cuts the engine power. the more revs i give the longer it takes to come back.

Does anyone have experience with this. When I test it on concrete at the work shop it lays rubber, but on an asphalt race track with hot gripy tires it shuts down.

thanks in advance.
PS this is Q 1 next question about suspension.
I would suspect that this is the Torque Management kicking in to keep you from breaking stuff ...

I turned mine off in the tune but I have an AUTO and not so sticky tires so I am not to worried .......

Dave
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Old 09-04-2017, 11:08 PM
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User Omega
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Shut the nanny stuff off and you won't have this problem. Pull the ABS fuse to kill them all.
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Old 09-05-2017, 06:37 AM
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shutting the nannies off will not turn off Torque Management

Dave
Old 09-05-2017, 06:45 PM
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User Omega
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Originally Posted by Dcasole
shutting the nannies off will not turn off Torque Management

Dave
Elaborate
Old 09-05-2017, 07:11 PM
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Originally Posted by User Omega
Elaborate
torque management limits the horsepower delivered in 1st and 2nd gear and can only be turned off or reduced in the tune.

Many posts about it

Dave
Old 09-05-2017, 07:31 PM
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Originally Posted by Dcasole
torque management limits the horsepower delivered in 1st and 2nd gear and can only be turned off or reduced in the tune.

Many posts about it

Dave
I have read into it quite a bit. I suppose I just didn't know it was something that would result in what he is talking about. From what I was reading, it didn't seem to be a dramatic thing.

**I have TM disabled in my tune so I have no idea what it feels like.
Old 09-05-2017, 08:18 PM
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Originally Posted by User Omega
I have read into it quite a bit. I suppose I just didn't know it was something that would result in what he is talking about. From what I was reading, it didn't seem to be a dramatic thing.

**I have TM disabled in my tune so I have no idea what it feels like.
Yes I have mine disabled also and the result is dramatic, I have an A6 so I am not to worried about breaking stuff .

Dave
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Old 09-06-2017, 12:42 AM
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CI GS
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Torque management is applied to the shift on every gear change and can either be reduced/limited to either ETC or Spark or completely disabled in the tune.
This shutting down on the launch thing sounds more like traction control kicking in. I'm wondering if the OP is turning off traction control by pressing the button on the center console?
Old 09-06-2017, 02:26 AM
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Incorrect tire size may do you in rear tires must be measure with a tape measure rather than going by advertised hight.

Or improper diff gear dial in.
.
Old 09-06-2017, 04:30 PM
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Originally Posted by CI GS
Torque management is applied to the shift on every gear change and can either be reduced/limited to either ETC or Spark or completely disabled in the tune.
This shutting down on the launch thing sounds more like traction control kicking in. I'm wondering if the OP is turning off traction control by pressing the button on the center console?
Thanks for your response. yes traction control has been switched off.
i will investigate the torque management in the tune.
Old 09-06-2017, 04:32 PM
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Originally Posted by xBoostx
Incorrect tire size may do you in rear tires must be measure with a tape measure rather than going by advertised hight.

Or improper diff gear dial in.
.
thanks for your repsonse. I have changed tire brands but they are all the same. not sure how this would effect it though.
Old 06-07-2019, 06:05 PM
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Originally Posted by xBoostx
Incorrect tire size may do you in rear tires must be measure with a tape measure rather than going by advertised hight.

Or improper diff gear dial in.
.
after a break from racing I'm getting back to sorting this issue. What do you mean by diff gear dial in?

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