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Old 07-27-2008, 03:10 PM   #15
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Originally Posted by fastball View Post
If I remember the way it works on the Cobalt SS, you can hold the gas to the floor in every gear without letting up to shift. When you stomp the clutch, it holds the revs right where they are when you stomp the clutch for a second or two while you shift.

Without it, you'd either bounce the rev limiter, or as 1973z-man said, carry your crankshaft as you walk home.
I just finished reading the new car and driver. This is exactly how they described the "no lift shift" feature. As for the launch control on the manual... "The engine computer limits revs and fiesses the throttle for traction after the clutch dump."
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Old 07-28-2008, 10:29 PM   #16
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It's been my experience in manuals to launch at about 2500 rpm and then dump the clutch. After alot of runs in the Acura, that was about the best engine speed I found to launch from. Of course, it will vary somewhat from car to car, but yes, launching from redline is a disaster waiting to happen.
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Old 07-28-2008, 10:41 PM   #17
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Quote:
Originally Posted by topgun1 View Post
It's been my experience in manuals to launch at about 2500 rpm and then dump the clutch. After alot of runs in the Acura, that was about the best engine speed I found to launch from. Of course, it will vary somewhat from car to car, but yes, launching from redline is a disaster waiting to happen.
if your drivetrain can handle it then you can do it. seen a lot of racers around here launch at that high and some built up the drivetrain some didn't. the one's that didn't blew something up. lol.

my experience with the camaro 3200-3500 was pretty good and not dumping the clutch but quickly and smoothly releasing it. . .but it's so fast that it almost feels like a dump.
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Old 07-29-2008, 07:43 AM   #18
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^ yea after i did all my mods to my 2002 SS i was launching at 4000 rpm, i was prolly pushing that weak little 10 bolt to it max but i didnt have the car long enough to break, it. it was stolen in january and im building another garage for my baby.
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Old 07-29-2008, 10:08 AM   #19
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^ yea after i did all my mods to my 2002 SS i was launching at 4000 rpm, i was prolly pushing that weak little 10 bolt to it max but i didnt have the car long enough to break, it. it was stolen in january and im building another garage for my baby.
there was a guy here that put hoosier slicks on his 10 bolt and was saying he was going to drop the clutch at 5000 rpms. he also had cam+tune and bolt ons. he was lucky nothing happened to his rear end.
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Old 07-29-2008, 10:37 AM   #20
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I think it does what most you say, limit the revs after the launch so there is minimal wheelspin. OR I think it realizes when you are holding the clutch and have it sitting in 1st, when you rev it, it wont go past a certain rpm. I think it is the first idea though.

Launch control would have been great on the vette's because my last time at the drag strip, a guy with a spankin new LS3 with the paper dealer tag still on it was there and almost lost to a new tundra(had a 100 shot) because he dumped the clutch so hard he spun and barely moved till he shifted to 2nd by the light tree. Some people need these nannies because they get too excited or something. I would like it to help me get better at launching until I can do it as good as the comp can.
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Old 07-29-2008, 01:23 PM   #21
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Originally Posted by boxmonkeyracing View Post
there was a guy here that put hoosier slicks on his 10 bolt and was saying he was going to drop the clutch at 5000 rpms. he also had cam+tune and bolt ons. he was lucky nothing happened to his rear end.
yea he would deffinetly be asking for it. i had a cam ls7 clutch and nitto drag radials and i was pushing it. I maiss that car sooo much
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Old 07-29-2008, 02:06 PM   #22
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It is said that the SS Camaro with the Manual Transmission will have Launch Control. How will this work? Everything I've seen on launch control is targeted toward Automatics wth pattle Shifters. You put the car in launch mode rev the motor and let off the break. It turns town Traction Control put the computer to allow the car to max out RPM's before shifting and just optimizes the shift points. Well it can't do all this on a Manual because you control the shift points and you control the clutch so what do they mean the SS Manual will have launch control?
You are badly misinformed. Launch control works in manual transmissions only. You simply select it (in the Cobolt SS and HHR SS) by hitting the traction control button twice, once to turn off the tracton control and the second time to turn on launch control. When you put it in 1st gear while holding the clutch in, you floor it and the RPM will stay right at the redline. When u release the clutch you take off perfectly. It takes all the guess work out of getting a perfect launch hence launch control and im almost positive no automatic cars have it but i could be wrong.
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Old 07-29-2008, 02:19 PM   #23
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You are badly misinformed. Launch control works in manual transmissions only.
Not necessarily true. Maybe the Cobalt's "Launch Control" feature works like that, though it doesn't sound like it'd make a perfect launch at all; it sounds like all you'd do is burn off your tires. Anyway, without it, a modern car isn't going to go past redline anyway, but it might do a more sudden fuel cut resulting in "bouncing off the rev limiter" rather than smoothly holding redline.

The VW GTI with their DSG dual-clutch automated manual transmission (they don't offer a traditional "slushbox" automatic) has a "Launch Control" feature that allows the driver to launch like a high-RPM clutch dump even though there's no clutch pedal. That's what I thought of when I heard of "Launch Control" in the Camaro.

Who needs a computer to baby them for launching a manual transmission?
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Old 07-29-2008, 02:43 PM   #24
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Gee, when I was young we didn't touch the clutch pedal when power shifting!!!

And By the way - It is "Pedal" not "Pettle"

And it is "Brake" not "Break".... You brake with your foot, you break when you wreck your car.
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Old 07-29-2008, 06:33 PM   #25
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Gee, when I was young we didn't touch the clutch pedal when power shifting!!!

And By the way - It is "Pedal" not "Pettle"

And it is "Brake" not "Break".... You brake with your foot, you break when you wreck your car.
Actually for what he was trying to say it was paddle not pedal or pettle.
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Old 07-30-2008, 09:01 AM   #26
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yeah, give him a "break".

(I couldn't resist!)
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Old 07-30-2008, 09:55 AM   #27
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Season 10 Episode 3 of Top Gear the tested a Ferrari 599 with F1-SuperFast paddle shifter with Launch control in which they put the car in first turned traction off held down the break and put in launch control. Rev'ed up the motor and let off the break. The launch control on Super Cars is all i've ever seen launch control on before. And it more or less optimized the shift points or allowed for higher RPM's before shifting.
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Old 08-02-2008, 07:05 PM   #28
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I think it is very cool that GM has included launch control on the Camaro. The great thing is you don't ever have to use it if you don't want to. Does launch control work, yep, pretty well.
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