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Old 09-27-2013, 08:53 PM   #29
DavidW
 
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Quote:
Originally Posted by vcyclenut View Post
we have had clutchless full throttle shifts on motorcycles for years not sure why with all the electronics they couldn't do the same for a car.

we put a sensor in the shifter linkage the cuts the ignition for a split second and allows it to slip into the next gear. full throttle the entire time no clutch needed.
I think it may be related to the design of the transmission in motorcycles vs automobiles , sequential in motorcycles vs cars with the H type shift pattern, I have shifted gears in standard cars with no clutch but I had to rev match going into the next gear, and I have done no clutch up and down shifts on dirt bikes with no grinding or other noises, although the shifter effort was higher

Quote:
Originally Posted by Eich View Post
At high RPM, my SS won't go into 2nd without grinding even with a lift-shift. I can't imagine what horrors await with a no-lift-shift.
on my cobalt SS when I no lift shifted into second it would usually grind sometimes it would just grind and not go into gear at all , I figure the synchronizer for second was weak , thats one of the reasons I started getting automatics ,there's less to worry about transmission wise , both self induced and defects
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Old 09-27-2013, 09:52 PM   #30
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I remember when GM produced the turbo charged Cobalt SS, they also used a no lift shift algorithm. Pretty much when you hit the clutch pedal the computer drops the rev limit dropping rpms to around where it needs to be for the shift.
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Old 09-27-2013, 10:02 PM   #31
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Why does the back of the car have the 2014 ass and 2013 front end?
The reason Chevrolet didn't change the front fascia on the 2014 ZL1 is because the front of the car is fully functional and creates a 140LBS of down force, so changing the design would also change the performance.
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Old 09-27-2013, 10:24 PM   #32
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I saw a black 2014 1LE Camaro which looked insane, best looking 5th generation Camaro I have seen so far.
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Old 09-27-2013, 11:25 PM   #33
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Originally Posted by HDRDTD View Post
With the no-lift shifting , the engine maintains it's rpms when you push in the clutch, preventing it from just climbing right up and hitting the rev limiter no matter how long it takes you to complete the shift.

With the conventional method of power-shifting, if you shift fast enough, all is good. If you miss a gear, the engine will continue to rev right on up.
What do you mean by, "maintains its rpms..."? This is not my experience.
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Old 09-28-2013, 12:05 AM   #34
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Originally Posted by menendez1293 View Post
dang I don't know if I could do that. Would be very nerve wrecking the first time around
I thought the same thing until I gave it a go...now it's a daily habit.
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Old 09-28-2013, 07:35 AM   #35
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Originally Posted by VegasZL1 View Post
What do you mean by, "maintains its rpms..."? This is not my experience.
If you do it quick enough and at redline it won't flare; other it will flare up in rpms.
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Old 09-28-2013, 07:46 AM   #36
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dang I don't know if I could do that. Would be very nerve wrecking the first time around
You gotta give it a try! These cars are designed for wicked launches and the No-Lift-Shifting just adds to the adrenalin rush. First time I tried it, I Failed! I just automatically let off the throttle as I hit the clutch pedal. Took a few deep breaths, slowed down, I was on an open stretch of hiway, in second gear and stomped on it and held down until I was in fourth! Then of course I had to try it from a dead stop starting with Launch Control thru Fourth! Did it a few times and easily used a quarter tank of fuel. I probably averaged TWO Miles Per Gallon! Definitely was worth it!


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Old 09-28-2013, 08:27 AM   #37
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I do this all the time every day. Just floor the gas and don't lift my foot off it. I don't even have to press the clutch. Yes, having an automatic does help with no lift shift.
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Old 09-28-2013, 08:39 AM   #38
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So this can be done on a 2013 1LE???
YES, but you wont gain anything by it. The no lift shift is designed on boosted applications to keep boost in between shifts. 1LEs are N/A so if you want to, go for it, you just might be buying clutches more.
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Old 09-28-2013, 09:48 AM   #39
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Funny that this wasn't on the 2013 M6 cars.. Hell my 2003 SRT4 had it.
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Old 09-28-2013, 12:17 PM   #40
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this is a fun lil feature in my 2010 Cobalt SS.. holds the boost pressure so no LAG love it..
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Old 09-28-2013, 02:12 PM   #41
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I'm gonna go try this in my 2013 LS 6spd right now, be back in a little bit and let you guys know how it works out!





















...JUST KIDDING!!!!!!
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Old 09-28-2013, 03:59 PM   #42
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Quote:
Originally Posted by Eich View Post
At high RPM, my SS won't go into 2nd without grinding even with a lift-shift. I can't imagine what horrors await with a no-lift-shift.

That's because your trans is a POS. I had 2nd gear and few other things replaced under warranty for something similar. It's shifts smooth now.
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