Topic: Which is faster
in Forum: C6 General Discussion
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Sebring, FL - USA
Joined: 4/13/2010
Posts: 14
Vette(s): Ron Fellows edition, Daytona 2007 Pace Car markings; Artic White, convertible.
Given two identical c-6's, which is faster in acceleration and top speed...??? An 6 speed automatic (with paddle shifts) or a manual trans...???
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Sebring, FL - USA
Joined: 4/13/2010
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Vette(s): Monterey Red/Cashmere Leather, Auto, Equip With 6.0 Ltr 400 HP Eng 3LT Option Package ,
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Manual xmsn always, Rene.
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Copperas Cove, TX - USA
Joined: 8/6/2008
Posts: 58
Vette(s): 07 Machine Silver Coupe
6 sp pattle shift auto
72 Stingray convertible
Auto 6sp, no chance on missing.
... assuming the same driver is shifting at the same shifts points ... and in a straight line?
Hoards of drag-strip fans use a powerglide transmission (or similar), to purposely eliminate potential human error with a clutch. Personally (and I could be wrong), I do not believe paddle shifters yield the same control as you have with a manual shift transmission.
Steven
2001 Intimidator Coupe, 19K miles
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Bush, LA - USA
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Automatic. The computer takes away the human error.
I switched from my '07 C6 w/auto to an '08 w/manual, and the automatic couldn't compare with the jump of the 6-speed when popping the clutch at about 3500rpm. Yes, if you think that you're prone to making human errors, get the slush-box instead. But for me, the enjoyment factor alone of the 6-speed vs. the automatic is 300 percent greater.
Another reason I went to the 6-speed, besides it giving me greater control, is the awkward and possibly dangerous delays that can occur when the automatic downshifts, e.g. like when needed entering a freeway from the on-ramp. It was embarrassing almost getting rear-ended because I had to wait for the automatic to decide what gear it wanted to be in.
Another reason I went to the 6-speed, besides it giving me greater control, is the awkward and possibly dangerous delays that can occur when the automatic downshifts, e.g. like when needed entering a freeway from the on-ramp. It was embarrassing almost getting rear-ended because I had to wait for the automatic to decide what gear it wanted to be in.
2008 C6 Coupe, LS3, Blk/Blk, 6M Z51, 3LT
I used the specifications for a 2007 C6 to take a look at this question, because those were the specs I had at hand. Aside from the transmissions, the cars still won't be identical. That's because the final drive ratio with the 6L80-E automatic transmission is 2.56 to 1, while the ratio with a six speed manual is 3.42 to 1.
Transmission gear ratios are considerably different too. On the automatic first thru sixth have ratios of 4.02, 2.36, 1.53, 1.15, 0.85 and 0.67 to 1. The standard six speed manual has ratios of 2.66, 1.78, 1.30, 1.00, 0.74, and 0.50 to 1. With the Z51 performance package the six speed manual's ratios are 2.97, 2.07, 1.43, 1.00, 0.74, and 0.50 to 1. The axle ratios help to even things out however.If a stock LS2 or LS3 produces enough horsepower to push a C6 that fast, then each of the three versions (automatic, manual, and Z51 manual) will be computer limited to 186 miles per hour when they're still in fifth gear. At that, they each would be at quite a bit less than the engine's 6,500 RPM redline when the computer shut 'em down. So I think they're equals in top speed. Even in theoretical top speed, I think they're each within one mile per hour of the other two. The standard manual transmission car and the Z51 manual transmission car are in fact identical when above third gear.
As for acceleration, I think in theory the Z51 manual transmission car should have a slight edge. In practice however, I think the computer running the 6L80-E automatic, in full automatic mode (without using the paddle shifters) will win most drag races. Most of us can't shift a manual transmission with the precision and speed of a good automatic transmission. And in my experience the paddle shifters are more useful for downshifts than they are for upshifting.
Tom Stoner
Huron Valley Corvette Club
Dexter, MI
2007 Machine Silver convertible (2008-2012)
2013 Arctic White 427 convertible (2012-2013)
2012 Carbon Flash 4LT Centennial coupe (2013-2019)
2008 Indy Pace Car grey top convertible (2014-2019)
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rensselaer, IN - USA
Joined: 10/27/2009
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Vette(s): 2010 GS ROADSTER
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rensselaer, IN - USA
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Vette(s): 2010 GS ROADSTER
New best in the Callaway today--11.27@126.36 mph
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rensselaer, IN - USA
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Vette(s): 2010 GS ROADSTER
This is running in stock form-no air out of the tires-NO SLICKS!
in Forum: C6 General Discussion
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