2010 GS top speed in Car and Driver.....
#4
Le Mans Master
#6
Very Interesting.....so possibly the GS is the has the lowest top speed of all C6s?
This new factoid speaks to the result of transplanting a Z06 body onto a base car with no additional hp. Now, of course, we've been regaled recently by reports of GSs showing up on dynos with more hp than the "ordinary" LS3.
Ah, well, bell curves being what they are we don't yet have enough points to construct a "GS manual trans, "hand assembled", "forged crank" LS3" hp plot.
Perhaps the "GS manual trans, "hand assembled", "forged crank" LS3" really does put out more hp? I suppose the factory "tune" on this engine could be a bit more robust. Time will tell.
In the meantime whether there is additional hp or not on the manual GS over the base manual apparently , at least by this test, it's not enough to overcome the greater bulk of the GS/Z06 body. This , by this test at least and subject to further verification, would lead one to believe that the advantage goes to the base car ( subject to the linearity or lack of it as far as additional "drag" on the GS is concerned.
Interesting.
#8
Race Director
#12
Pro
Member Since: Sep 2009
Location: Los Angeles California
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Anyone know the coefficient of drag for the base car and GS? If my math is right, with speeds in the 180's and cd's in the .30 range, every .01 increase in cd should cost around 2mph... Just a back of the envelope calculation, maybe some engineering types can check my math.
#13
Melting Slicks
Anyone know the coefficient of drag for the base car and GS? If my math is right, with speeds in the 180's and cd's in the .30 range, every .01 increase in cd should cost around 2mph... Just a back of the envelope calculation, maybe some engineering types can check my math.
The Z06's Cd is 0.34 - GM's official top speed claim is 198mph, which takes ~70hp more to achieve.
http://www.corvettemuseum.com/specs/2008/index.shtml
#14
Burning Brakes
This is a very interesting data point for those of us following the phenomena of the C6 GS. There have been those who consider this model an "engineering phenomena" and those, like me, who consider it a "marketing phenomena".
This new factoid speaks to the result of transplanting a Z06 body onto a base car with no additional hp. Now, of course, we've been regaled recently by reports of GSs showing up on dynos with more hp than the "ordinary" LS3.
Ah, well, bell curves being what they are we don't yet have enough points to construct a "GS manual trans, "hand assembled", "forged crank" LS3" hp plot.
Perhaps the "GS manual trans, "hand assembled", "forged crank" LS3" really does put out more hp? I suppose the factory "tune" on this engine could be a bit more robust. Time will tell.
In the meantime whether there is additional hp or not on the manual GS over the base manual apparently , at least by this test, it's not enough to overcome the greater bulk of the GS/Z06 body. This , by this test at least and subject to further verification, would lead one to believe that the advantage goes to the base car ( subject to the linearity or lack of it as far as additional "drag" on the GS is concerned.
Interesting.
This new factoid speaks to the result of transplanting a Z06 body onto a base car with no additional hp. Now, of course, we've been regaled recently by reports of GSs showing up on dynos with more hp than the "ordinary" LS3.
Ah, well, bell curves being what they are we don't yet have enough points to construct a "GS manual trans, "hand assembled", "forged crank" LS3" hp plot.
Perhaps the "GS manual trans, "hand assembled", "forged crank" LS3" really does put out more hp? I suppose the factory "tune" on this engine could be a bit more robust. Time will tell.
In the meantime whether there is additional hp or not on the manual GS over the base manual apparently , at least by this test, it's not enough to overcome the greater bulk of the GS/Z06 body. This , by this test at least and subject to further verification, would lead one to believe that the advantage goes to the base car ( subject to the linearity or lack of it as far as additional "drag" on the GS is concerned.
Interesting.
#18
Melting Slicks
#19
Safety Car
GM states the 08-09 coupe with NPP, Z51 and 6 speed manual will hit 190mph in 5th gear @6000rpm. I suspect the GS with NPP and 6 speed manual will be a few mph shy of 190 mph due to the wide body drag.
Last edited by Mike's LS3; 10-15-2009 at 12:31 AM.