Custom tune vs mail order dyno numbers - Ford Mustang Forum
 
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post #1 of 11 (permalink) Old 03-13-2011 Thread Starter
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Custom tune vs mail order dyno numbers

Just wanted to share my experience with a custom dyno tune vs. American Muscle and Brenspeed mail order tunes.

Brenspeed tune (dyno 11/10/2010): 359rwhp and 345lbs-tq. (calculated dense altitude of 1768)

American Muscle (BAMA) tune (dyno 03/12/2011): 371rwhp and 342lbs-tq. (calculated dense altitude of 1659)

Custom dyno tune (dyno 03/12/2011): 387rwhp and 355 lbs-tq. (calculated dense altitude of 1659)

Attached you'll find the images from the dyno runs (Brenspeed only and Custom tune vs. BAMA in same image) along with a simulated 1/4 mile run with the custom tune (11.643 @115.7188 mph with calculated dense altitude of 1659). Car weighed in at 3658 with 3/4 tank of gasoline and 3848 with me in it (weight used for dyno data and 1/4 mile simulation data).

Car has Steeda CAI, Kook's 1 3/4 long tube headers, Kook's 3" X-pipe with cats, Kook's 3" cat back, Shaftmaster aluminum driveshaft.


2011 California Special Mustang

Last edited by hotshot; 03-17-2011 at 10:29 AM.
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post #2 of 11 (permalink) Old 03-13-2011
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Dyno run from yesterday

Here is my dyno run from yesterday.

Bone stock was 373hp with 50 miles on her.
With 1600 miles on her and the mods listed below, it made 406hp. Bama race tune A/F ratio looks right on the money.

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post #3 of 11 (permalink) Old 03-13-2011 Thread Starter
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Btw, car is automatic and dyno runs where made on a
Mustang Dyno. Brenspeed Race and BAMA Race tunes where used.

2011 California Special Mustang
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post #4 of 11 (permalink) Old 03-14-2011
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Wow that's awesome. That goes to show just how good some of these mail order tunes are, especially for the price. Yeah you got better results from the dyno tune, but it was probably a bit more expensive

XCharger HiPo 2.8, JBA shorty headers, Zabteck ported & polished TB, Mac ProChamber, Flowmaster American Thunders, GT500 shocks/struts/strut mounts, GT500 front LCA's, Shaftmasters 4" aluminum d/s
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post #5 of 11 (permalink) Old 03-14-2011
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Quote:
Originally Posted by defacto_pr View Post
Just wanted to share my experience with a custom dyno tune vs. American Muscle and Brenspeed mail order tunes.

Brenspeed tune (dyno 11/10/2010): 359rwhp and 345lbs-tq. (calculated dense altitude of 1768)

American Muscle (BAMA) tune (dyno 03/12/2011): 371rwhp and 342lbs-tq. (calculated dense altitude of 1659)

Custom dyno tune (dyno 03/12/2011): 387rwhp and 355 lbs-tq. (calculated dense altitude of 1659)

Attached you'll find the images from the dyno runs (Brenspeed only and Custom tune vs. BAMA in same image) along with a simulated 1/4 mile run with the custom tune (11.643 @115.7188 mph with calculated dense altitude of 1659). Car weighed in at 3658 with 3/4 tank of gasoline and 3848 with me in it (weight used for dyno data and 1/4 mile simulation data).

Car has Steeda CAI, Kook's 1 3/4 long tube headers, Kook's 3" X-pipe with cats, Kook's 3" cat back, Shaftmaster aluminum driveshaft.
Just for my own clarification, the Brenspeed results you listed , was with their tune if I am understanding you correctly. My questions is was that with their tune and the Steeda CAI or without the CAI and just their tune ?

I ask because Brenspeed has posted on their site results from their race tune and Steeda CAI which are higher then you have noted..

I'm not that familiar with all of this so apologies if the question shows my inexperience..

Thanks for the post of this really good info..

Blueblaze
2011 GT 5.0 Premium Coupe, Kona Blue, Interior Charcoal /Grabber Blue ,6 speed MT, Comfort Group, ,Brembo Brakes , 3.73 Gears, Security Package, Shaker1000, Polk Speakers, CDC Chin Spoiler, JLT Oil Separator, Custom Grille layout, HID, Brenspeed 93 Tune /Steeda CAI , GT500 SVT Axle Backs
A new Beast in disguiseÖ..
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post #6 of 11 (permalink) Old 03-14-2011
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Well, from what I've heard, automatics have slightly less HP (not at crankshaft - but could be a HP loss due to parasitic drag) but I could be wrong too. I've just seen HP ratings with automatics seem lower than those that are 6spd manuals.

So maybe your stock numbers are because it's automatic? Like I said - I could be wrong so forgive me if I am.

2013 Mustang GT Premium
Build Date: 01/14/2013
  • Ford Performance 3.73 Gears
  • MGW Race Spec Shifter
  • Flowmaster Outlaw Catbacks
  • American Racing Long Tube Headers / off road x-pipe
  • Ford Performance Cobra Jet Intake Manifold
  • Ford Performance 65mm Cobra Jet Twin Blade T/B
  • Ford Performance Cobra Jet CAI
  • SCT Tune
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post #7 of 11 (permalink) Old 03-14-2011
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Keep in mind that you dyno'd your car with our tune late last year and almost 4 months later dynoed with another tune. We have noticed a HUGE (15-20rwhp) gain in HP once these engines are actually broken in. The only real accurate way to compare tunes is to swap them all out on the same day on the same dyno, and then the results are about as accurate as they can possibly be.
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post #8 of 11 (permalink) Old 03-14-2011
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Quote:
Originally Posted by Brenspeed View Post
We have noticed a HUGE (15-20rwhp) gain in HP once these engines are actually broken in.
How many miles need to be on the car to be considered "broken in"? I'm just curious, as I may wait until my car is at that point. Thanks!

2013 Mustang GT Premium
Build Date: 01/14/2013
  • Ford Performance 3.73 Gears
  • MGW Race Spec Shifter
  • Flowmaster Outlaw Catbacks
  • American Racing Long Tube Headers / off road x-pipe
  • Ford Performance Cobra Jet Intake Manifold
  • Ford Performance 65mm Cobra Jet Twin Blade T/B
  • Ford Performance Cobra Jet CAI
  • SCT Tune
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post #9 of 11 (permalink) Old 03-14-2011 Thread Starter
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All the dyno runs were made with the following mods: Steeda CAI, Kook's 1 3/4 headers, Kook's 3" X-pipe with cats, Kooks 3" cat back, and aluminum driveshaft. The only real comparison that can be made is the BAMA race tune vs. the custom tune, since the Brenspeed tune was dynoed in November 2011.

2011 California Special Mustang
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post #10 of 11 (permalink) Old 03-14-2011 Thread Starter
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Forgot to mention, the Mustang Dyno where the car was dynoed regularly reads 10-12% lower than the Dynojet we have around here.

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We dynoed ours brand new and after 5000 miles it picked up anywhere from 11-15rwhp with the exact same modifications, same temp, SAE corrected, all of the above.
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