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#1
08-03-2002, 02:34 PM
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Double Clutching the launch? Read inside...
Hey all... quick question...
Does double clutching your launch help at all? Let me try to explain what I mean... Last night I was in a hurry to get home, got stuck at a red light even tho I was the only car at the intersection, after a min or two I got impaitent, and started watching the light to my right to see when it would turn red... When it turned yellow, I started getting ready to go, Just as the light to my right turned red, I started to let the clutch out and gave it a little gas to go, my light was still red, so I pushed the clutch back in, and once my light turned green, I floored it and dumped the clutch This all happened real quick, I let the clutch out, saw the light was still red, and by the time I pushed the clutch back in, my light turned green and I dropped the clutch again... I was moving forward a bit before I dropped it the second time... My tires chirped, and I got the best take off I have ever had... didn't bog at all, didn't sit there and spin, just took off... Does this make any sense? I know its probably really hard on the clutch, but It seemed to help... *shrugs* -Grendel 
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#2
08-03-2002, 02:43 PM
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"not double clutching like you should..." < fast and furious
Well, i dont have a clutch. But only time i can see double clutching would be useful is when you're driving a 54 Bluebird School Bus. I say that cause my mother used to be a school bus driver and said how she had to double clutch every gear just to keep the diesel from loosing RPM so it didnt bog out. Of course this is a Bus, you're in a Z car.... i dont see what it could hurt? I garuantee nothing.
__________________
2003 Chevy 1500HD - Hauler 1971 Chevy Camaro RS - Track Car User Guidelines It's important to read, like the Bible. But unlike the Bible we will strike you down if you jerk off around here.
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#3
08-03-2002, 03:44 PM
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I don't mean double clutch the shifting... just the launch
 Usually when I take off the car jumps forward, bogs, then gets a burst of speed when the turbo spools up... Last night it didn't bog at all, it just went fast  *shrugs* I heard of some of the AWD DSM guys using something like this to get good launches... another guy on here who had a 2.5 Imprezza posted something about doing something similar to keep the engine from bogging... -Grendel
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#4
08-03-2002, 05:05 PM
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there is absolutly no need to double clutch wile upshifting.......god knows how many times i have heard this theory after that fast and the furious movie came out( garbage ). the act of pushing the clutch in twice should not have done anything. you probly got lucky and got the rpms, clutch and hit the gas all at the perfect place for your car. try and simulate the same contitions or mess around with launching in diferent ways than you normally would. good luck.
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BURN UP
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#5
08-03-2002, 05:34 PM
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The reason it seemed to help was because like he said he was rolling a little.
So if you compare that to a stand still it would of course have a better outcome. I wouldn't use it in a race because then you are sopposed to be starting the same time as the opponent so to make a fair comparison of the cars. This would be like red lighting, an unfair advantage.
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#6
08-03-2002, 06:43 PM
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Just like redneck said, double clutching is normally only for big deisel rigs that will stall unless you clutch gear into neutral, then clutch again into gear.
You will NEVER EVER EVER EVER need to double clutch in a car.
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#7
08-03-2002, 11:26 PM
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Quote:
__________________
 mmmmmm.... :jump:
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#10
08-04-2002, 03:41 AM
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Re: well
Quote:
correct, theres no faking the sensors that light the tree. if you start to roll prematurely, you win yourself a nice little Red light. and you get laughed at... cause you came prematurely har har har. 
__________________
2003 Chevy 1500HD - Hauler 1971 Chevy Camaro RS - Track Car User Guidelines It's important to read, like the Bible. But unlike the Bible we will strike you down if you jerk off around here.
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#11
08-04-2002, 09:08 AM
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Quote:
__________________
mmmmmm.... :jump:
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#13
08-04-2002, 03:20 PM
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Ok, I know double clutching does absolutely nothing during the drag race, i'm only talking bout taking off...
I guess you guys are right, I'll just have to find the rpm that wont make me spin, and wont bog the engine... I wish that guy who had the Imprezza would come here and clear up what he was sayng about this a long time ago... I think his sig had a picture of a drifting Imprezza... don't remember his screen name tho...
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#15
08-04-2002, 05:15 PM
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Quote:
I also heard about some guy who had a really highly modified AWD DSM... He did something with letting the clutch out twice to keep the rpms as high as possible on the launch... -Grendel
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