2010-2014 Mustang Information on The S197 {GenII}

2014 GT TP dyno this morning

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Old 10/14/13 | 05:37 PM
  #21  
Ltngdrvr's Avatar
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Originally Posted by 5.M0NSTER
What is the rev limit on the stock Coyote? I'm guessing 6800 or so, but does anyone know for sure?
I believe it is 6700 or 6750.

I bang into the d*mn thing all the time.
Old 10/14/13 | 05:43 PM
  #22  
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Originally Posted by 5.M0NSTER
Nice work! Do you think the GT500 add a couple hp/tq due to lower back pressure? I'm considering the same exhaust for my 2014 GT TP. I guess my numbers should look nearly identical.
Never count on dyno numbers being identical, every dyno is different, every car is different. Even from day to day things can change to change the dyno reading.

Really all a dyno is is a comparison tool, make a run, do a change, make another run and compare the difference to see if the change helped or hurt.

A big initial number is good for bragging rights but it's just a number.
Old 10/14/13 | 05:47 PM
  #23  
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Originally Posted by Ltngdrvr
I believe it is 6700 or 6750.

I bang into the d*mn thing all the time.
Sounds about right. And I hear you, I bounce off of it more often than not. I find it to be too quiet near the redline. A good axleback should fix that
Old 10/14/13 | 06:47 PM
  #24  
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Dynojets seem to be pretty similar at various locations. I agree there is no direct comparison, but from the various data plots I've seen from dynojets, mine is right in line, maybe a touch higher than average for a basically stock car.

I really wish the 2013 GT with Corsa AB's that came had been able to run on the same dyno for a direct comparison that same day... but the dyno broke and the rest of the group had to switch to a different shop!

Redline should be 6800, but the engine begs to rev higher as noted above!
Old 10/14/13 | 06:52 PM
  #25  
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Originally Posted by 5.M0NSTER

Do you find the GT500 axlebacks louder than stock at high rpms? My only complaint with stock exhaust is that as I approach the redline I can't hear the engine scream, and I think I should. I like to shift based on the sound, so not being able to hear the exhaust at 6k rpm is not ideal.
Yes, better at redline. Lots of engine noise too, but the combo is good. took out the sound tube too which gives a more "natural" sound in the cabin too. Windows down though WOT is much better. I've bounced the rev limiter much less with the axle-backs. I do think I'll get rid of the resonators at some point, but it sounds awesome with the GT500 mufflers.
Old 10/14/13 | 07:33 PM
  #26  
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The revlimit and redline are identical 7000
Old 10/14/13 | 08:32 PM
  #27  
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Great numbers! I bet it sounded great on the dyno!
Old 10/15/13 | 06:03 AM
  #28  
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Originally Posted by Krohn
Great numbers! I bet it sounded great on the dyno!
Here is my Dynojet run from June 2012 with GT500's.

Old 10/15/13 | 07:42 AM
  #29  
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Yeah sounded very good - a little more volume wouldn't be bad so I might end up removin the resonators. We'll see. I got a couple videos as well that I will try to post later on.
Old 10/15/13 | 09:22 AM
  #30  
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Originally Posted by mustangman55
The revlimit and redline are identical 7000
No, GT does not have a 7K rev limit on the stock tune.
Old 10/15/13 | 11:03 AM
  #31  
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Nice numbers, I'm jealous! My 2013 GT/Brembo with 3.31's stock put down 365/345 on a Dynojet in August this year. Kept hitting the top speed governor in both 4th and 5th gear pulls. Guys at the shop said I got hosed by 5-10hp on the top end.

Your stock numbers were what I was shooting for stock, but hey they're close enough!
Old 10/15/13 | 11:43 AM
  #32  
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Originally Posted by VQ to 5-OH
Nice numbers, I'm jealous! My 2013 GT/Brembo with 3.31's stock put down 365/345 on a Dynojet in August this year. Kept hitting the top speed governor in both 4th and 5th gear pulls. Guys at the shop said I got hosed by 5-10hp on the top end.

Your stock numbers were what I was shooting for stock, but hey they're close enough!
Yeah if you topped out in speed you probably missed out on the very peak, as mine was right at redline.
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