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Tuning & Dyno Testing/Results Questions, experiences & results for electronic tuning and dyno tests

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Old 04-14-2018, 09:46 PM   #1
SouthKak_Mach1
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My Dyno Session with Mach 1

I decided to come out to Hawk Speed & Custom's 2nd Annual Dyno Day in Huachuca City, AZ just to see what the Mach put down before installing Procharger D-1X in the fall. They were doing 3 pulls for $50. Had a decent amount of cars that showed up, Corvette Z06s, 392 Challengers, Roush supercharged '16 Mustang GT, '03 Mustang GT, Camaro SS, BMW 335i, Ford F-350, Scout II, SRT Neon, Turbocharged Honda Civics, Dodge Ram SRT-10, etc...The only performance mods I have done to the Mach are Borla Stingers catback, C&L intake, and a Bama 91 octane canned tune (No 93 octane in AZ).

Results below:

Run #1: HP: 282.7 @ 4200(RPM), Torque: 370.4 @ 3750(RPM)
Run #2: HP: 284.0 @ 4550(RPM), Torque: 352.5 @ 3900(RPM)
Run #3: HP: 285.2 @ 4400(RPM), Torque: 354.4 @ 3700(RPM)

Fuel: Shell 91 octane pump gas
Elevation: ~4,400 feet (Huachuca City, AZ)
Temperature: Between 78.4-79.3 degrees fahrenheit
Humidity: 4-5%
Date: April 14, 2018
Time of Day: 2:16-2:18pm
Gear Ratio: 3.55 (Stock)
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Last edited by SouthKak_Mach1; 04-15-2018 at 08:32 PM.
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Old 04-15-2018, 02:46 AM   #2
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Re: My Dyno Session with Mach 1

I'm not understanding the low RPM's for the horsepower and the astronomical torque numbers. Is that an elevation thing or what?
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Old 04-15-2018, 03:17 AM   #3
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Re: My Dyno Session with Mach 1

Yeah, when I checked the dyno sheet, I was a little confused by the torque numbers too. I do believe the elevation is the key factor in my dyno results. I wish I had datalogged my dyno runs too. The numbers are pretty consistent between pulls though, with the exception of the TQ # in 1st pull.
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Old 04-15-2018, 06:55 AM   #4
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Re: My Dyno Session with Mach 1

Why is your horsepower peaking so low? Power on these cars usually peaks at around 6000 RPM. Also there is only a 500 RPM spread between the torque and horsepower peak? That looks way wrong.
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Old 04-15-2018, 02:19 PM   #5
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Re: My Dyno Session with Mach 1

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Originally Posted by 69GT View Post
Why is your horsepower peaking so low? Power on these cars usually peaks at around 6000 RPM. Also there is only a 500 RPM spread between the torque and horsepower peak? That looks way wrong.
I'll post my dyno sheet today. Maybe you guys can help me understand the results a little more. Didn't really get a chance to talk with the tuners at Hawk Speed yesterday since they were busy.
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Old 04-15-2018, 08:37 PM   #6
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Re: My Dyno Session with Mach 1

On the first pull, I got off the accelerator around 5k, because I heard a weird noise coming from the engine bay, but it stopped and didn't hear it again.

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Old 04-16-2018, 10:51 AM   #7
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Re: My Dyno Session with Mach 1

I know this sounds strange but I was having an issue with dyno pulls a couple years ago, and the tuner saw a voltage fluxuation from the alternator. Replaced it went back, and it cleared up my problem.
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Old 04-16-2018, 05:52 PM   #8
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Re: My Dyno Session with Mach 1

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Originally Posted by SouthKak_Mach1 View Post
On the first pull, I got off the accelerator around 5k, because I heard a weird noise coming from the engine bay, but it stopped and didn't hear it again.
Hang on- did you operate the dyno yourself? Did you pull in 4th?
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Old 04-16-2018, 10:51 PM   #9
SouthKak_Mach1
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Re: My Dyno Session with Mach 1

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Originally Posted by 311-420 View Post
Hang on- did you operate the dyno yourself? Did you pull in 4th?
Yeah, I was the one operating the car on the dyno, but the owner of the shop was the one conducting the dyno session. We were using one of those trailer dyno outside of the shop for the Dyno Day. I turned off the traction control & overdrive, and revved the engine up to 2500 RPMs in 3rd before I made pulls, then I just signaled to him right before I let off the accelerator to end the pull. On the first pull I got off the accelerator right before 5k due to weird noise, but the noise went and never came back. My Mach 1 is a 4-speed auto (4R75W) by the way.
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2004 Ford Mustang Mach 1 (DSG), Borla Stingers Catback, C&L CAI, SCT X4 Custom Tune, Black Chrome Rovos Durban Wheels (18x9 F, 18x10.5 R) on Nitto NT05s (275/35/18 F, 295/35/18 R), Pioneer AVH-4200NEX Receiver, MM C/C Plates, Rolled Rear Fenders, Eibach Sportlines/Struts/Shocks, Raxiom Smoked Taillights/Third Brake Light/LED Bulbs, Clear Headlights w/ Black Housing, Polished Aluminum Interior Accents, 30% Window Tint, Tinted Side Markers, Carbon Fiber Valve Stem Caps, Black Shorty Antenna

Last edited by SouthKak_Mach1; 04-17-2018 at 11:58 PM. Reason: Additional info
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