2011 Top speed guesses

Reply Subscribe

Thread Tools

Search this Thread

1/11/10, 11:23 PM

#41

Dr Evil

Bullitt Member

Join Date: November 17, 2007

Posts: 218

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by bob

I'm just throwing out that the 07-09 GT500's with 500hp on tap could barely crest the 160 mph mark (163 or so ungoverned IIRC).

you are not recalling correctly.

Reply Like

1/11/10, 11:27 PM

#42

Dr Evil

Bullitt Member

Join Date: November 17, 2007

Posts: 218

Likes: 0

Received 0 Likes on 0 Posts

Quote:

Originally Posted by eci

Please look at the aerodynamic treatment of the Cobra R versus a factory lifted Mustang like the 2011 will be as well. The 2011 is a STREET car and doesn't have the aerodynamics of the Cobra R.

Please also note that a C6 Corvette with its 436 HP, 3300 lb curb weight, and vastly more aerodynamic form has a top speed of 186. Mustang GT will not get 6 MPH from that.

do you actually think that big @ss splitter and wing INCREASE top speed?

Reply Like

1/11/10, 11:43 PM

#43

stangfoeva

MOTM Committee Member

Join Date: April 17, 2006

Location: SoCal

Posts: 9,181

Likes: 0

Received 2 Likes on 2 Posts

If that really was the top speed of the gt500 I would say its more due to gearing than anything else...

Reply Like

1/12/10, 12:13 AM

#44

bob

Legacy TMS Member

Join Date: May 16, 2004

Location: Bristol, TN

Posts: 5,197

Likes: 11

Received 15 Likes on 10 Posts

Quote:

Originally Posted by Dr Evil

you are not recalling correctly.

Recall it correctly for me if you will sir (I see the car is geared for 175 in 5th @ redline).

Reply Like

1/12/10, 01:28 AM

#45

bob

Legacy TMS Member

Join Date: May 16, 2004

Location: Bristol, TN

Posts: 5,197

Likes: 11

Received 15 Likes on 10 Posts

Quote:

Originally Posted by stangfoeva

If that really was the top speed of the gt500 I would say its more due to gearing than anything else...

I've been digging to try and find some reliable info, the internet is rife with 170-180 give or take, MT said 175 with gearing, I seem to remember 160+ being from Ford when the GT500 first came out and I've found 1 guy from Canada claiming 190.

Here are the speed calculations based on trans ratios and a 6000 rpm limit with a 3.31 final and a 285/40R18

1st = 48 mph
2nd = 81 mph
3rd = 111 mph
4th = 145 mph
5th = 181 mph
6th = 230 mph

@ a 6500 rpm limit

1st = 53 mph
2nd = 88 mph
3rd = 121 mph
4th = 157 mph
5th = 196 mph
6th = 250 mph

The 07-09 GT500 has a Cd of .38 and a frontal area in the neighborhood of 23.79 sq. ft. - the drag limited speed of the vehicle varies depending on inputs but 190 doesn't seem unreasonable with 500+hp

Reply Like