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Author launch control....
broster
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Registered: 6th Dec 02
Location: Drives: E39
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23rd Mar 08 at 13:49   View Garage View User's Profile U2U Member Reply With Quote

we have an m3 touring car in at the moment, fantasticly well built car but was running standard management, we added gotech mfi pro x which allowed us to retain the vanos control and map the vanos properly, gained 40lbft of torque which will be nice.

also the pro x (as does the pro) has launch control, so we had a play, sounds awesome! sadly my phone didn't seem to pick up the flames and noise so well! but im sure robin will agree it sounds fantastic!

http://www.youtube.com/watch?v=0oX97X6A5C8
stan_the_man
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Registered: 14th Feb 07
Location: Perth, Western Australia
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23rd Mar 08 at 13:51   View User's Profile U2U Member Reply With Quote

My mate has launch control on his EG Civic - Because it has sooo much torque

But seriously it does make a difference to 1/4 times.

Nice wee extra IMO
Robin
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Registered: 7th Jan 04
Location: Northants Drives: Clio 182 Cup
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23rd Mar 08 at 14:05   View Garage View User's Profile U2U Member Reply With Quote

Need the vids of boss testing it outside really, they're so cool.

I love this car, I'll be sorry to see it go
Dan295
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Registered: 9th Oct 06
Location: London
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23rd Mar 08 at 14:27   View User's Profile U2U Member Reply With Quote

sounds nice but are you just bouncing that thing off the limiter there
Robin
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23rd Mar 08 at 14:32   View Garage View User's Profile U2U Member Reply With Quote

Sort of.

The launch control stops the engine from revving above a point which you've chosen (about 4k in this case), then slowly allows the engine to rev by changing the ignition timing, so the car doesn't break traction.

In that vid, I'm sat in the car with my foot on the floor, thumb on the LC button on the steering wheel and it won't rev above 4k. When the revs start to climb, that's because I've taken my thumb off the button.

The outside vids show it off better.
Dan295
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23rd Mar 08 at 14:34   View User's Profile U2U Member Reply With Quote

ah i see, i know its a german and will probs take the punishment but looked like you just started it and gave it death off the limiter, is the LC limiter adjustable then?
Robin
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Registered: 7th Jan 04
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23rd Mar 08 at 14:41   View Garage View User's Profile U2U Member Reply With Quote

It was running for about 15 minutes before we did the vid

The LC is fully adjustable, you can change it to suit whatever track you're going to, so, if you're at Santa Pod, you might want the rev limiter at 5.5k, as there's loads of grip, but then at Bruntingthorpe, you're going to want it lower, say 3.5k, as it's not as grippy.

Obviously it's not a drag car, but that's the best example I could think of

It's awesome, in threory, when the bloke is racing the car, every start he does should be perfect.
Dan295
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23rd Mar 08 at 14:44   View User's Profile U2U Member Reply With Quote

i want one obviously not on the corsa though
Daniel_Corsa
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Registered: 21st Apr 04
Location: Wigton, Cumbria
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23rd Mar 08 at 16:01   View Garage View User's Profile U2U Member Reply With Quote

LC is good shizzle when set up right, fella I know has it on his 206 cossie!

Does sound savage and bit miss treating but your not bouncing it of the real limiter!


April '06' Corsasport Feature Car | Aug '08' Total Vauxhall Feature Car | Spring '09' Fast Car Feature Car
gavin18787
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23rd Mar 08 at 17:52   View Garage View User's Profile U2U Member Reply With Quote

I remember rich (PICK4D) was talking to chris todd about it for his corsa as he wants to get some different managment. when we was at torque of the devil for the rr day.


Drives supercharged Tec with torque
jr
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23rd Mar 08 at 17:54   View User's Profile U2U Member Reply With Quote

sure that wasnt anti-lag gav ?
gavin18787
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23rd Mar 08 at 18:19   View Garage View User's Profile U2U Member Reply With Quote

started off at that but ended up wanting the full package iirc


Drives supercharged Tec with torque
broster
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23rd Mar 08 at 19:43   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dan295
ah i see, i know its a german and will probs take the punishment but looked like you just started it and gave it death off the limiter, is the LC limiter adjustable then?


on this set up you can adjust the launch rpm, then you can set a time scale of how long it will take to allow the ignition and fueling to go back the the original map, and instead of just jumping back you can also map how the change back to standard takes place, if that makes any sence. awesome bit of kit for the money!

car is fantastic, has everything from air jacks to data logger and proper display. i think i want the car!

amazing that an off the shelf ecu with a loom can do anti lag, launch control, flat shift, fully sequential set up and the scope to do fly by wire for £600!

as for it taking the punishment the engine was built especially for endurance racing by BMW, so everything will be blueprinted and no corners cut!

[Edited on 23-03-2008 by broster]
broster
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23rd Mar 08 at 19:46   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Robin
Need the vids of boss testing it outside really, they're so cool.

I love this car, I'll be sorry to see it go



ill get that one on line on tuesday
Dan295
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23rd Mar 08 at 19:47   View User's Profile U2U Member Reply With Quote

i thought robin said he just held the LC button and it released when he let go of the button, didnt know it was running alternate maps etc
broster
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Registered: 6th Dec 02
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23rd Mar 08 at 19:48   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by Dan295
i thought robin said he just held the LC button and it released when he let go of the button, didnt know it was running alternate maps etc


when he holds the launch control button in it switches to a seperate part of the ecu which makes adjustments to the mapping, i.e. new rev limit, retarted ignition and different fueling, to adjust the power delivery etc!

 
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