GT Performance Mods 2005+ Mustang GT Performance and Technical Information

Approximate HP???

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Old Jan 24, 2012 | 12:04 PM
  #21  
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Originally Posted by JJJTMC
Dyno with my mods. Doesn't seem unrealistic if I added heads.
Nice numbers!
However, I noticed your ride also has LT headers, which 05YellowGT's ride did not have when it was N/A, and they can add 15-20 rwhp. In order to compare apples and apples with 05YellowGT's ride, your rwhp would be approx. 333-338 w/o the headers. That equates to 47-52 rwhp required from only the heads to reach 385 rwhp. Sorry, that's just not gonna happen.
Also, your dyno chart does not state a CF, which means the test results were not adjusted for the D/A during the dyno run. And that will result in unrepresentative higher power #'s if the run was made during cool, dry weather conditions.

Last edited by ski; Jan 24, 2012 at 12:06 PM.
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Old Jan 24, 2012 | 12:09 PM
  #22  
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Originally Posted by ski
Nice numbers!
However, I noticed your ride also has LT headers, which 05YellowGT's ride did not have when it was N/A, and they can add 15-20 rwhp. In order to compare apples and apples with 05YellowGT's ride, your rwhp would be approx. 333-338 w/o the headers. That equates to 47-52 rwhp required from only the heads to reach 385 rwhp. Sorry, that's just not gonna happen.
Also, your dyno chart does not state a CF, which means the test results were not adjusted for the D/A during the dyno run. And that will result in unrepresentative higher power #'s if the run was made during cool, dry weather conditions.
Where do you come up with these numbers? Are you the horsepower estimate guru???
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Old Jan 24, 2012 | 12:10 PM
  #23  
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Originally Posted by texastboneking
I for 1 have seen heads make over 100hp difference. So your claim of "maybe 40" is false. But you know more than me and the proof I have seen was made up....lol
If that increase is for an OEM 4.6L 3V, then feel free to post the documentation.
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Old Jan 24, 2012 | 12:11 PM
  #24  
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Originally Posted by ski
If that increase is for an OEM 4.6L 3V, then feel free to post the documentation.
Now you want proof? After you said you don't have to show it?
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Old Jan 24, 2012 | 12:11 PM
  #25  
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Originally Posted by texastboneking
Where do you come up with these numbers? Are you the horsepower estimate guru???
It's a simple matter of viewing B&A dyno charts posted at various Mustang forums.
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Old Jan 24, 2012 | 12:13 PM
  #26  
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Originally Posted by texastboneking
Now you want proof? After you said you don't have to show it?
When did I say that?
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Old Jan 24, 2012 | 12:15 PM
  #27  
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Originally Posted by ski
It's a simple matter of viewing B&A dyno charts posted at various Mustang forums.
And your taking for granted that they only did what they say they did? Are you also taking into account baro, air temp, and humitity?
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Old Jan 24, 2012 | 12:15 PM
  #28  
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From: Cleburne, Tx
Originally Posted by ski
Unfortunately, some forum members require proof of the power increase from a mod(or mods), instead of only a verbal power increase estimate.
Here^^^
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Old Jan 24, 2012 | 12:46 PM
  #29  
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Top right corner CF: Std.
109mph trap speed, I believe the hp numbers given to me.
I'm done. You all debate it.
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Old Jan 24, 2012 | 01:15 PM
  #30  
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Originally Posted by texastboneking
And your taking for granted that they only did what they say they did? Are you also taking into account baro, air temp, and humitity?
No and yes, respectively.

http://www.moddedmustangs.com/forums...-mustangs.html
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Old Jan 24, 2012 | 01:20 PM
  #31  
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Originally Posted by texastboneking
Originally Posted by ski
Unfortunately, some forum members require proof of the power increase from a mod(or mods), instead of only a verbal power increase estimate.
Here^^^
Hmmm....
I fail to see where I stated I don't have to provide documented proof.
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Old Jan 24, 2012 | 01:27 PM
  #32  
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Originally Posted by JJJTMC
Top right corner CF: Std.
109mph trap speed, I believe the hp numbers given to me.
I'm done. You all debate it.
Thanks for pointing that out. I stand corrected.

Both CF's(SAE or STD) can be used, but the STD CF does have an obvious advantage(highlighted below) for dyno test result bragging rights.
One just has to make sure the same CF is used for both the B&A runs.

SAE CF:
SAE (Society of Automotive Engineers), USA. Power is corrected to reference conditions of 29.23 InHg (99 kPa) of dry air and 77 F (25°C). This SAE standard requires a correction for friction torque.

STD CF:
STD is Another power correction standard determined by the SAE. Power is corrected to reference conditions of 29.92 InHg (103.3 kPa) of dry air and 60 F (15.5°C). Because the reference conditions include higher pressure and cooler air than the SAE standard, these corrected power numbers will always be about 4% higher than the SAE power numbers. Friction torque is handled in the same way as in the SAE standard."
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Old Jan 24, 2012 | 02:27 PM
  #33  
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Ryan at AM said after the cams I should be around 315rwhp... Was hoping for more but all in due time I suppose...
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Old Jan 24, 2012 | 03:19 PM
  #34  
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Originally Posted by muscledom
Ryan at AM said after the cams I should be around 315rwhp... Was hoping for more but all in due time I suppose...
is that with your 93 race tune?
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Old Jan 24, 2012 | 03:31 PM
  #35  
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Originally Posted by tu3218

is that with your 93 race tune?
Yezzir
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Old Jan 24, 2012 | 08:35 PM
  #36  
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Originally Posted by muscledom

Yezzir
Yeah im jealous haha Do you have a cai as well?
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Old Jan 25, 2012 | 09:21 AM
  #37  
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FWIW
(Note: The rwhp increase from the cams was after the heads were installed. Hence, the rwhp increase from cams alone will probably be a little less than the test result of 30 rwhp, since the tested aftermarket heads flow better than the stock units.)

http://www.mustang50magazine.com/tec...ams/index.html

Last edited by ski; Jan 25, 2012 at 09:38 AM.
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Old Jan 25, 2012 | 01:06 PM
  #38  
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Originally Posted by tu3218

Yeah im jealous haha Do you have a cai as well?
Yea. I should be posting a before and after video a little later today.
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