GT Performance Mods 2005+ Mustang GT Performance and Technical Information

JBA website posting 331HP N/A

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Old Oct 7, 2005 | 06:28 PM
  #1  
Moondog's Avatar
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JBA is saying they got 331hp from long tube headers, catted H-Pipe and axle backs, Steeda UDPs, CAI & Tune. Thats very good from what I have seen others posting. Anyone else seeing these type of gains? Iam impressed.

http://www.jbaheaders.com/05steedaq.asp

Dyno Graph
http://www.jbaheaders.com/images/dyn...eedaq_dyno.jpg
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Old Oct 7, 2005 | 06:33 PM
  #2  
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The blue HP curve looks a little funny after 5500 rpm. What's with the dip... and why is the peak at 6550?
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Old Oct 7, 2005 | 06:36 PM
  #3  
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BTW... JBA Racing dynoed my car 3 months ago, and got 319rwtq with just a CAI, and a basic Predator tune (not even the C&L-specific tune).

Q. Do I really think my auto trans car made 319rwtq?

A. No... they messed up the dyno pull.
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Old Oct 7, 2005 | 06:57 PM
  #4  
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are they pulling in 3rd or what, they have a "special" dyno that "gives" you 10-20 extra hp
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Old Oct 7, 2005 | 07:18 PM
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If that was performed on a Dyno- Jet, it should be posted on the dyno chart.



Paul
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Old Oct 7, 2005 | 07:45 PM
  #6  
TURBO 05's Avatar
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weird thing is they got 0-60 4.9 and 1/4 13.5, i have done 13.4 and mine is 100% stock down to the paper airfilter
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Old Oct 7, 2005 | 07:53 PM
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Something is VERY fishy about those numbers. I don't like dyno graphs that look like they were made in mspaint. How much are headers supposed to add anyway?
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Old Oct 7, 2005 | 08:57 PM
  #8  
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Originally posted by TURBO 05+October 7, 2005, 6:00 PM--><div class='quotetop'>QUOTE(TURBO 05 @ October 7, 2005, 6:00 PM)</div><div class='quotemain'>are they pulling in 3rd
[/b]


That's what they did to mine. :bang:

Originally posted by wild stray@October 7, 2005, 6:21 PM
If that was performed on a Dyno- Jet, it should be posted on the dyno chart.
It's a Dyno Dynamics, and if I recall correctly, it's this model.

<!--QuoteBegin-Shifty

Something is VERY fishy about those numbers. I don't like dyno graphs that look like they were made in mspaint. How much are headers supposed to add anyway?[/quote]

The chart I got from them didn't look like that either. It looked more like this example.
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Old Oct 7, 2005 | 09:04 PM
  #9  
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Better Call fourcams330

fourcam330 JBA
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Old Oct 7, 2005 | 10:04 PM
  #10  
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Wow, so I can make a dyno graph in Paintshop Pro and make claims that my car makes 325 HP stock?? Cool!
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Old Oct 7, 2005 | 11:01 PM
  #11  
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Yes, you could do that but make sure to note that the pull was done on a FicticiousDyno.

-Dan
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Old Oct 8, 2005 | 07:29 AM
  #12  
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I have the JBA longtubes and off-road h-pipe, SCT X-cal 2, MMR intake but no UD pullies and my dyno numbers only reach 295rwhp/310rwtq N/A, I am not sure where they are getting the extra 40hp.
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Old Oct 8, 2005 | 10:18 AM
  #13  
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I also only lack the UD pullies and seem to have fallen short.... :bang: I guess if I added UD's and gained 8 RWHP that would put me within 10 RWHP of thier dyno... My torque is 1 better than thier's, go figure.
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Old Oct 8, 2005 | 04:05 PM
  #14  
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Originally posted by Vegasjay@October 8, 2005, 11:21 AM
I also only lack the UD pullies and seem to have fallen short.... :bang: I guess if I added UD's and gained 8 RWHP that would put me within 10 RWHP of thier dyno... My torque is 1 better than thier's, go figure.
What RPM was your dyno shut off at
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Old Oct 9, 2005 | 01:24 PM
  #15  
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Originally posted by softbatch@October 8, 2005, 4:08 PM
What RPM was your dyno shut off at
6,200 RPM's....
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