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Factory "No Lift Shift" feature?

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Old 11-01-2007 | 09:02 AM
  #1  
Andy30thZ's Avatar
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Factory "No Lift Shift" feature?

Have you seen this on the new HHR SS?
A performance-oriented feature referred to as "no-lift shift" allows maximum performance with the manual transmission – upshifts can be performed very quickly without lifting the throttle. An algorithm in the engine's controller enables this high-performance feature, which helps maximize acceleration and gear changes.
http://www.thetorquereport.com/2007/..._hhr_ss_r.html
Is this a good or bad thing? I am assuming by having this feature you can not truely "bang shift". Is this more or less torque management that will soften the blow from an all out power shift?

Interesting Camaro option?
Old 11-01-2007 | 09:10 AM
  #2  
CheshireCat's Avatar
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From: Rock Hill, SC
The "no lift shift" feature on the upcoming HHR SS and Cobalt SS Turbo is a feature that is really designed for Turbocharged cars.

On a turbo car, when you lift off the gas to shift, the turbo spools down and the engine gets outside the ideal torque band and when you floor the gas after the shift, it takes a brief time for the turbo to spool back up. The "no lift shift" feature on a drive by wire car, will use the clutch actuation to let the engine management system know that you are shifting and it will continue giving the engine just enough throttle and gas to put the engine in the ideal rpm/boost range for after the shift.

For years, road racers that drive turbo cars have been "left foot braking" going into a corner so they can keep their right foot on the gas to keep the turbo spooled up to keep them in the boost coming out of the corner.

I don't see this going on a NA car...
Old 11-01-2007 | 10:22 AM
  #3  
Ron78Z&01SS's Avatar
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From: Wichita, Kansas
Hell, that's nothing new....I had that mod on my '01 SS as long as it was me in the driver's seat .

Seriously though, it sounds a little interesting. I'd definitely like to see some more info on it.
Old 11-09-2007 | 05:52 PM
  #4  
buzz12586's Avatar
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From: Charlotte, NC
My friend has an aftermarket EMS on his WRX and it allows him to do this as well. Its a pretty sweet feature.
Old 11-09-2007 | 06:07 PM
  #5  
Irish350's Avatar
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From: Tempe/Phoenix
i say phuq it, lets see a turboed camaro

just kidding

sort of
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