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Mustang horsepower



 
 
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  #1  
Old February 10th 05, 06:19 PM
mustangjoe
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Default Mustang horsepower

Don't know about the 01 cobra but the 03 GT is rated at 260 and the '03
cobra at 320.
Defiant wrote:
> Anyone know the horsepower ratings for a 01 cobra and GT
> and a 03 Cobra and GT.? stock of course.
> any difference between the auto and manual?
>
>
> --
> Defiant
>
> "Till the end"


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  #2  
Old February 10th 05, 06:23 PM
mustangjoe
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Default

make that 390 for the '03 cobra
mustangjoe wrote:
> Don't know about the 01 cobra but the 03 GT is rated at 260 and the

'03
> cobra at 320.
> Defiant wrote:
> > Anyone know the horsepower ratings for a 01 cobra and GT
> > and a 03 Cobra and GT.? stock of course.
> > any difference between the auto and manual?
> >
> >
> > --
> > Defiant
> >
> > "Till the end"


  #3  
Old February 10th 05, 06:35 PM
Michael Johnson, PE
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Defiant wrote:
> Anyone know the horsepower ratings for a 01 cobra and GT
> and a 03 Cobra and GT.? stock of course.
> any difference between the auto and manual?



The GT's have been 260 from 1999-2004 and for the most part that is what
they delivered. The 2001 Cobra was rated at 320 but many were found to
be over-rated from the factory. Ford instituted a "fix" that included
new exhaust, computer etc. to try and get them to their rated hp. Some
made it and some didn't.

The 2003-2004 Cobras actually made more hp than Ford advertised. The
consensus was they were around 420-425 from the factory and not the 390
Ford claimed.
  #4  
Old February 10th 05, 09:18 PM
WraithCobra
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Michael Johnson, PE wrote:
> Defiant wrote:
>> Anyone know the horsepower ratings for a 01 cobra and GT
>> and a 03 Cobra and GT.? stock of course.
>> any difference between the auto and manual?

>
>
> The GT's have been 260 from 1999-2004 and for the most part that is
> what they delivered. The 2001 Cobra was rated at 320 but many were
> found to be over-rated from the factory. Ford instituted a "fix"
> that included new exhaust, computer etc. to try and get them to their
> rated hp. Some made it and some didn't.
>
> The 2003-2004 Cobras actually made more hp than Ford advertised. The
> consensus was they were around 420-425 from the factory and not the
> 390 Ford claimed.


All correct, and to answer the other question, the GT's had the same bhp for
auto's and manuals. The Cobras never came with an automatic.
--
Mike
Silver 10th Anniversary Cobra Coupe
---


  #5  
Old February 10th 05, 09:38 PM
Martin
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Default


I had a dyno test done on my 2002GT 5 speed with the following mods.
Accufab Plenum and 70MM TB, Maganflow cat back, K & N drop in filter.

The result is 243 rwhp. 285 rwtq.

Martin

  #6  
Old February 10th 05, 10:59 PM
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Not too bad. Roughly 226rwhp from factory... how much was the 70MM TB?

-Mike

--
A happy kid behind the wheel of a 98 Mustang GT
Cold air intake
FRPP 3.73 gears
Steeda Tri-Ax Shifter
Flowmaster 40 Series mufflers (self-installed woohoo)
Hi-speed fan switch
255/60R-15 rear tires
Subframe connectors
Aluminum adjustable clutch quadrant


"Martin" > wrote in message
oups.com...
>
> I had a dyno test done on my 2002GT 5 speed with the following mods.
> Accufab Plenum and 70MM TB, Maganflow cat back, K & N drop in filter.
>
> The result is 243 rwhp. 285 rwtq.
>
> Martin
>



  #7  
Old February 11th 05, 01:56 AM
Michael Johnson, PE
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Default

Martin wrote:
> I had a dyno test done on my 2002GT 5 speed with the following mods.
> Accufab Plenum and 70MM TB, Maganflow cat back, K & N drop in filter.
>
> The result is 243 rwhp. 285 rwtq.


Assuming a 15% drive train loss for the manual tranny that puts you at
285 bhp. Considering your modifications from stock I bet your car was
close to 260 bhp as delivered by the dealer.
  #9  
Old February 11th 05, 07:19 PM
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Default

Hell $440 isn't too bad for both... pretty nice little car, Martin =).

-Mike

--
A happy kid behind the wheel of a 98 Mustang GT
Cold air intake
FRPP 3.73 gears
Steeda Tri-Ax Shifter
Flowmaster 40 Series mufflers (self-installed woohoo)
Hi-speed fan switch
255/60R-15 rear tires
Subframe connectors
Aluminum adjustable clutch quadrant


"Martin" > wrote in message
ups.com...
>
> wrote:
> > Not too bad. Roughly 226rwhp from factory... how much was the 70MM

> TB?
>
> I purchased the plenum & TB directly from Accufab. Honestly do not
> remember the exact amount but $440 sounds close for both pieces. A
> little pricy however fit and finish are excellent.
> Martin
>



  #10  
Old February 11th 05, 07:29 PM
dave
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Default

The low horsepower problem was with 1999 cobras only.
I can only guess what the 06 cobra is gonna have

"WraithCobra" > wrote in message
...
> Michael Johnson, PE wrote:
> > Defiant wrote:
> >> Anyone know the horsepower ratings for a 01 cobra and GT
> >> and a 03 Cobra and GT.? stock of course.
> >> any difference between the auto and manual?

> >
> >
> > The GT's have been 260 from 1999-2004 and for the most part that is
> > what they delivered. The 2001 Cobra was rated at 320 but many were
> > found to be over-rated from the factory. Ford instituted a "fix"
> > that included new exhaust, computer etc. to try and get them to their
> > rated hp. Some made it and some didn't.
> >
> > The 2003-2004 Cobras actually made more hp than Ford advertised. The
> > consensus was they were around 420-425 from the factory and not the
> > 390 Ford claimed.

>
> All correct, and to answer the other question, the GT's had the same bhp

for
> auto's and manuals. The Cobras never came with an automatic.
> --
> Mike
> Silver 10th Anniversary Cobra Coupe
> ---
>
>



 




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