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Old Oct 21, 2009 | 03:47 PM
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What's the top speed of a H/C/I C5 coupe with 475rwhp, 3.42s and a 6800rpm redline??
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Old Oct 21, 2009 | 03:48 PM
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Originally Posted by 11sec_c5z51
what's the top speed of a h/c/i c5 coupe with 475rwhp, 3.42s and a 6800rpm redline??
200
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Old Oct 21, 2009 | 04:01 PM
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I'd say probably 615mph. Trust me, I'm an expert in this field.
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Old Oct 21, 2009 | 04:03 PM
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Originally Posted by 11sec_C5Z51
What's the top speed of a H/C/I C5 coupe with 475rwhp, 3.42s and a 6800rpm redline??
Up hill or down?
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Old Oct 21, 2009 | 04:25 PM
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172 with tail wind, down hill
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Old Oct 21, 2009 | 04:34 PM
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Originally Posted by JCamaro
200
Thats what I was thinking.
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Old Oct 21, 2009 | 04:52 PM
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Originally Posted by 11sec_C5Z51
Thats what I was thinking.
I'm an expert too!
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Old Oct 21, 2009 | 04:55 PM
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Originally Posted by 11sec_C5Z51
Thats what I was thinking.
Not gonna get 200. Closer to 170ish.There was a recent thread posted by a guy looking for 180+. Some very good info.

http://forums.corvetteforum.com/c5-g...questions.html

Last edited by Vega$Vette; Oct 21, 2009 at 05:11 PM.
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Old Oct 21, 2009 | 06:04 PM
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"Not gonna get 200. Closer to 170ish.There was a recent thread posted by a guy looking for 180+. Some very good info."

they are right .. maybe a bit more than 170, but you need well over 500BHP to get to 200.

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Old Oct 21, 2009 | 06:07 PM
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Originally Posted by Vega$Vette
Not gonna get 200. Closer to 170ish.There was a recent thread posted by a guy looking for 180+. Some very good info.

http://forums.corvetteforum.com/c5-g...questions.html
I thought that the top speed (stock) were as follows:

http://www.corvette-web-central.com/...etopspeed.html

C5 1997-2004
..............0-60.....................1/4 mile.................Top Speed
1997-00...5.05 sec.(auto).......13.36/109.4.............172
..............4.72 sec.(6 spd)
2001-04...4.83......................13.10/109.1.............175
Z06.........4.0........................1 2.6/114................171

Stock C5 = ~315HP to the wheels (342's)
His C5 = 475HP to the wheels.

Stock Red line on C5 is 6000, his modified car red line is 6800.

Since C5's get there top speed in 5th gear, and since he can go to 6800 RPM, and has the extra HP push to get to 6800 RPM, I would think he would have a faster top end.

Toque
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Old Oct 21, 2009 | 06:24 PM
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Those are "in theory" top speeds


aerodynamic drag holds all cars back.

I know a few guys who did the monster mile in Lauranburg Maxton airport.

The were all in excess of 700 hp to hit 180+ with in One mile standing start

and those guys getting close to 200 mph were over 900 hp.

Last edited by AU N EGL; Oct 21, 2009 at 06:28 PM.
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Old Oct 21, 2009 | 06:30 PM
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Been 173 in mine! Stock at the time and she had a little left but I was outta taxiway!
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Old Oct 21, 2009 | 06:33 PM
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Lots of good into here http://www.a2wt.com/

HP to velocity

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Old Oct 21, 2009 | 06:39 PM
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Looks like the C5 needs an extra forward driving gear.

-Alex
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Old Oct 21, 2009 | 07:04 PM
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HP means jack. The car will only go as fast as You are willing to push it. With 502RWHP I toped out at 186 once and I/my car will never see that speed again! For bragging wrights you can do some math and claim whatever speed you can but there is much more to it than HP/RPM/TIRE DIA. You must also include atmospheric/road conditions, suspension set up and many more variables that will affect top speed of any vehicle. I'm not trying to be a smart ars, just saying as I see it.
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Old Oct 21, 2009 | 07:16 PM
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It will go fast enough
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Old Oct 21, 2009 | 07:24 PM
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Originally Posted by dobewillie
It will go too fast
Fixed it for you
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Old Oct 21, 2009 | 07:45 PM
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It will go faster than I think I will ever see when in a car.
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Old Oct 21, 2009 | 07:58 PM
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Originally Posted by dangerz
I'd say probably 615mph. Trust me, I'm an expert in this field.
Some expert.....................you will go 10247 mph trust me.....
or do you want to go faster??
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Old Oct 21, 2009 | 08:50 PM
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The ZR1 will do 205 mph (stock). That's 640 crank HP, probably about 550 to the wheels. That obviously didn't occur after one mile. And the ZR1 has a higher drag coefficient than the C5 does.

475RWHP, I would say high 190's. Maybe 200 considering the drag coeff.

The OP asked for top speed, nothing about top speed after one mile.

Nick
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