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Oct 21, 2009 | 09:15 PM

#21

Toque

Tech Contributor

Joined: Jan 2004

Posts: 20,030

Likes: 289

From: Wylie TX --> Less is More, except under the hood !

Quote:

Originally Posted by Roostertail

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

Exactly my thought after reading last few posts....

Oct 21, 2009 | 09:34 PM

#22

bsbruton

Instructor

Joined: Jan 2008

Posts: 210

Likes: 0

From: Temple TX

There is research that shows in order to maintain safety above 180-ish a different hood is required as the air build up under the hood begins to "lift" the front end.

Oct 21, 2009 | 09:37 PM

#23

2KFRC5

Safety Car

Joined: Nov 2000

Posts: 4,419

Likes: 6

From: Arroyo Grande CA

I have a nice Excel spreadsheet orignally made by a forum member, John Neese. It calculates speeds in gears at RPMs. HP not a consideration. You input tire size and gears and RPM redline of your choice.

If you would like a copy, email me at mcmlxiii@hotmail.com , and I'll send it to you.

Don

Oct 22, 2009 | 12:12 AM

#24

intoc6s

Drifting

Joined: Apr 2008

Posts: 1,316

Likes: 2

From: St. Louis Mo

Quote:

Originally Posted by Roostertail

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.

ALL DAY!

Oct 28, 2009 | 07:00 PM

#25

11sec_C5Z51

Thread Starter

Racer

Joined: May 2006

Posts: 431

Likes: 0

From: Houston TX

Quote:

Originally Posted by Cali17

"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.

580bhp is about 480-490rwhp

Oct 28, 2009 | 08:50 PM

#26

RafaC5

Intermediate

Joined: Jun 2008

Posts: 40

Likes: 0

If the top speed is 172 @ 6000 rpm in 5th gear
And he can rev all the wa to 6800 rpm thats a increase of almos 15% in the rpms
IMO he would be able to go 172 + 15% which is ~197. he probably have enough horse power for that.
I would say at least 190

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