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GT40
Ford GT
z06 vs gt
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<blockquote data-quote="satx" data-source="post: 3406474" data-attributes="member: 4135"><p>although the viper has a higher Cd than the Z06 it it more aerodynamic than the vette given it's lower frontal area. In other words it's Cd x frontal number is lower than the Z06. Going back to what DBK said....the GT (without it's limiter) went 212 at nardo (RPM limited). The Z06 is DRAG limited to 198. While it is true that the GT has alot more power than the Z06, it also has a much higher topspeed (14 MPH more in topspeed is HUGH) and who knows what it's drag limited true topspeed would be. I guess the only way to know is to have someone raise the rev limit on a stock vehicle and do a topspeed run.</p><p></p><p></p><p>Here is another example</p><p></p><p>a C5 has a topspeed of ~175</p><p>a ZR1 has a topspeed of ~180 </p><p></p><p>the ZR1 makes about 10% more power has a higher Cd but the same frontal area. If Cd was the end all the ZR1's 25 more rwhp would be wasted but since it's frontal area is the same it achieves a higher topspeed given it's HP advantage.</p><p></p><p>The GT usally dyno ~510-525 rwhp (SAE corrected) vs. the Z06 at ~440-450 rwhp. That is ~70 more HP to push a car from 198 to 212. So another question is can a bolt-on and tuned Z06 (should make ~500rwhp) hit it's rev limit in 5th gear (I believe that would be ~212 mph)? </p><p></p><p>One other thing that is impressive about the GT is that it is actually making downforce where the Z06 is producing lift. It is easy to make a car slick. The trick is to limit drag while making downforce.</p><p></p><p></p><p>My own thinking is that the GT's Cd is ~.38 verses the Z06's published .342. The GT remains the more aero car through it's lower frontal area while still producing downforce.</p><p></p><p>In the real world most of this stuff is useless........but it's still cool :thumbsup:</p></blockquote><p></p>
[QUOTE="satx, post: 3406474, member: 4135"] although the viper has a higher Cd than the Z06 it it more aerodynamic than the vette given it's lower frontal area. In other words it's Cd x frontal number is lower than the Z06. Going back to what DBK said....the GT (without it's limiter) went 212 at nardo (RPM limited). The Z06 is DRAG limited to 198. While it is true that the GT has alot more power than the Z06, it also has a much higher topspeed (14 MPH more in topspeed is HUGH) and who knows what it's drag limited true topspeed would be. I guess the only way to know is to have someone raise the rev limit on a stock vehicle and do a topspeed run. Here is another example a C5 has a topspeed of ~175 a ZR1 has a topspeed of ~180 the ZR1 makes about 10% more power has a higher Cd but the same frontal area. If Cd was the end all the ZR1's 25 more rwhp would be wasted but since it's frontal area is the same it achieves a higher topspeed given it's HP advantage. The GT usally dyno ~510-525 rwhp (SAE corrected) vs. the Z06 at ~440-450 rwhp. That is ~70 more HP to push a car from 198 to 212. So another question is can a bolt-on and tuned Z06 (should make ~500rwhp) hit it's rev limit in 5th gear (I believe that would be ~212 mph)? One other thing that is impressive about the GT is that it is actually making downforce where the Z06 is producing lift. It is easy to make a car slick. The trick is to limit drag while making downforce. My own thinking is that the GT's Cd is ~.38 verses the Z06's published .342. The GT remains the more aero car through it's lower frontal area while still producing downforce. In the real world most of this stuff is useless........but it's still cool :thumbsup: [/QUOTE]
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