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Old 04-24-2016, 07:35 AM
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Diablosport inTune Dyno results Part 1

If I don't start this thread it will never get done (busy with life). Video will be added later. And all dyno runs are on a Mustang AWD and results will be lower than a Dynojet dyno.

On 3/21/16: I dyno tested the stk. air box vs. K&N CAI kit and picked up 10rwhp and 8rwtq. K&N Cold Air Intake (Dyno results)
* Installation: Easy
* Investment: $272 for CAI and $100 for dyno
* New baseline numbers: 296.1rwhp@5171 and 326.2rwtq@4060


On 3/26/16: I dyno tested the following stk. conventional oil vs. Mobil 1 synthetic oil and picked up 4.4 rwhp and 13.0rwtq.
* Installation: Easy
* Investment: $80 for oil and filter and $125 for dyno
* New baseline numbers: 301.1rwhp@5070 and 339.2rwtq@4177


On 3/26/16 same date as above: I dyno tested the stk. processor vs. the Diablosport inTune and picked up the following.

1st attempt: 302.6rwhp@5120 and 338.9rwtq@3815. GAINS of 1.5rwhp and a loss of 0.3rwhp

2nd attempt of back to back: 302.4rwhp@5226 and 325.0rwtq@3951. Vehicle was HOT

3rd attempt (Vehicle cooled down): 304.7rwhp@5125 and 337.6rwtq@3686. Final GAINS over today's baseline were 3.6rwhp and a loss of 1.6rwtq.
* Installation: Initial uploads and downloads are long
* Investment: $400 for Diablosport inTune I2
* New baseline: 304.7rwhp@5125 and 337.6rwtq@3686

All (3) runs with Diablosport tuner were on the 93 octane tune. On this day the 91 octane tune had issues where the vehicle wouldn't run.

Now the "WHY". Found out vehicle uses (2) knock sensors. So I did some datalogging with the Diablosport tuner and found that the vehicle is pulling 4 degrees of total timing in the upper rpm range (4100 to 5k+)....not good for power or torque hence the small gains seen at the dyno.

A few days later on the street, I tried some octane booster and the datalogs still showed knock sensors pulling up to 4 degrees of timing but higher in the rpm range.

Reloaded the 91 octane tune and datalogs showed knock sensors pulling only 1-2 degrees of total timing being pulled or retarded.

Going back to the dyno and with the Diablosport tuner and hope to remap the timing curve and I"ll see if I can get rid of the knock sensors from pulling timing on the 93 octane tune. Plus, I'm going to test my new Corsa catback exhaust. Stay tuned for Part 2.

Thanks
Michael Plummer

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2014 Jeep CG 5.7L Overland: 304rwhp & 337rwtq & 14.58@95.18 (K&N CAI, Diablosport inTune, Pedal Commander)
1994 Mustang Saleen: 890rwhp & 771rwtq
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Old 04-24-2016, 08:59 AM
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Re: Diablosport inTune Dyno results Part 1

Time for the Hemifever tune. Or else, your investment is wasted. At 100 $ / 1 WHP gains from your Diablosport tuner, you are better off fine-tuning your synthetic oil choice.
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Old 04-24-2016, 10:09 AM
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Re: Diablosport inTune Dyno results Part 1

Quote:
Originally Posted by f1anatic View Post
Time for the Hemifever tune. Or else, your investment is wasted. At 100 $ / 1 WHP gains from your Diablosport tuner, you are better off fine-tuning your synthetic oil choice.
So far as everyone can see the Diablosport tuner isn't worth it. But it is pulling out timing because the knock sensors are active and retarding timing. So I'm going to wait until the next dyno session before I decide if this modification is worth the money or not.

Not sure if anyone noticed but the Mobil 1 synthetic oil picked up 13rwtq The torque reading had us scratching our heads because that's a lot of rwtq for a switch to synthetic oil.

Thanks
Michael Plummer
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Old 04-25-2016, 01:41 AM
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Re: Diablosport inTune Dyno results Part 1

Concerning Diablo. Its possible to add fuel by 5-7%-10% at WOT аt high rev. range when installing the tune. To make air-fuel mix reacher. It should decrease the knock retards under load near red zone and would not effect mileage as that mode of drive in not very often at street.
Or retard ignition near red line at wot. But I would better play with fuel.
It just show why dyno is needed for tune. And better to log using wideband O2 sensors


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Old 04-25-2016, 05:36 AM
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Re: Diablosport inTune Dyno results Part 1

Quote:
Originally Posted by AlexIVK View Post
Concerning Diablo. Its possible to add fuel by 5-7%-10% at WOT аt high rev. range when installing the tune. To make air-fuel mix reacher. It should decrease the knock retards under load near red zone and would not effect mileage as that mode of drive in not very often at street.
Or retard ignition near red line at wot. But I would better play with fuel.
It just show why dyno is needed for tune. And better to log using wideband O2 sensors
Sent from my iPhone using JeepGarage
Being a Ford Mustang owner and dealing with Mass Air based Engine Management, I'm a newbie with the Jeep 5.7L engine. Thanks for the information above, I didn't know you can add more fuel.

I'm confident I'll be able to get rid of the knock and it should reward me with more HP over my last baseline. How much more is anyone's guess at this point.

Thanks
Michael Plummer
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2014 Jeep CG 5.7L Overland: 304rwhp & 337rwtq & 14.58@95.18 (K&N CAI, Diablosport inTune, Pedal Commander)
1994 Mustang Saleen: 890rwhp & 771rwtq
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Old 04-25-2016, 10:39 AM
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Re: Diablosport inTune Dyno results Part 1

You know there is a vendor (Sean @ Hemifever), as mentioned above, that does custom tunes for Jeeps using the Diablosport tuner that many forum members rave about. Not sure if Diablosport ever fixed the ABS dash light that illumunates if you try to change the tire size though?

You might want to look into that! Or at least talk to him on what parameters he's changing in his tunes as I see your very hands on in your quest for increased power & torque.

Thanks for your no BS, real world testing and results!!!!
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Old 04-25-2016, 11:12 AM
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Re: Diablosport inTune Dyno results Part 1

custom tune or the diablosport is just a guage. i had one in my 2012 hemi, also had exhaust, cai, throttle body, and e-fan. custom tune will make you smile. hemifever is highly recommended with results. if i had held onto my hemi, i wouldve gone w/ custom tune.
nice thorough write up. good luck!
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Old 04-25-2016, 02:32 PM
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Re: Diablosport inTune Dyno results Part 1

Nice writeup Michael. I have some dyno results from my can Diablosport Trinity Tuner - which I'm sure are the same maps loaded on different means of uploading through the OBD2.

You are right - the HP gains were minimal - picked up 5 HP (aFe, Corsa, stock vs Diablosport tune). It showed some gains beyond 4,000 RPM.

The other problem was it tripped the ABS and ECS in my rig, and two calls to Diablosport later (after unplugging the battery overnight), the ECS light still stayed on.

It required a trip to the dealer to clear the codes. Dealer said it tripped 17 faults on the ECS system. That a lot. And for 5 HP, not worth the risk and hassle.

Also, it takes 15 min to write a tune. Now I know why they say to hook up a charger.
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Old 04-25-2016, 07:04 PM
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Re: Diablosport inTune Dyno results Part 1

Thanks for posting your honest results. To be totally honest, I'm not surprised with the results from the "tune". Generally on naturally aspirated cars, there aren't many gains to be found in terms of peak horsepower with just a tune. Modern fuel injection systems that use knock sensors are generally not leaving a lot of hp on the table because the engine can protect itself from crappy fuel and hot temps...etc.

I'm extremely surprised about the gains you saw with the intake. I'm even more surprised to see the gains from the oil change...especially the torque improvement. I almost don't believe them. We're those tests done on the same day? What was the air density and humidity on the two test days. Those are incredible gains from oil.

What normally happens with NA tunes is that the engine will pick up a good amount of mid range torque....area under the curve. This is due to a quicker/earlier timing advance and small tweaks to fueling. Generally not huge gains in peak torque and usually very small gains in peak hp. Can you post the graphs? Those are the most telling. Would also be nice to see the A/F ratio during the pulls (most dyno shops put them on the same graph).

You have a 900whp mustang...so this isn't your first rodeo. But these numbers are a bit wonky don't you think?
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Old 04-25-2016, 07:38 PM
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Re: Diablosport inTune Dyno results Part 1

Quote:
Originally Posted by Raptor View Post
Not sure if Diablosport ever fixed the ABS dash light that illumunates if you try to change the tire size though?
This is the part that turns me away from the Diablosport - even though I have one....
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Old 04-25-2016, 07:40 PM
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Re: Diablosport inTune Dyno results Part 1

Want to thank the following: flexIVK, f1anatic, Raptor, bermie63 and DrSpeed for your comments and recommendations....... I really appreciate it.

Thanks
Michael Plummer
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Old 04-25-2016, 08:05 PM
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Re: Diablosport inTune Dyno results Part 1

Q) Thanks for posting your honest results. To be totally honest, I'm not surprised with the results from the "tune".
A) You're welcome. Everyone at the dyno was surprised and not in a good way, with the results from the 93 octane tune.


Q) Generally on naturally aspirated cars, there aren't many gains to be found in terms of peak horsepower with just a tune. Modern fuel injection systems that use knock sensors are generally not leaving a lot of hp on the table because the engine can protect itself from crappy fuel and hot temps...etc.
A) I'm not familiar with the HEMI engine or the aftermarket performance parts relating to it but the unit was marketed as a complete plug and play unit. And so far, it hasn't performed as advertised.


Q) I'm extremely surprised about the gains you saw with the intake.
A) Personally, I was pleasantly surprised with the results. Small overall gains but the installation was super easy that anyone can do it.


Q) I'm even more surprised to see the gains from the oil change...especially the torque improvement. I almost don't believe them. We're those tests done on the same day?
A) The oil change was on the same day as the installation of the Diablosport tuner. I didn't believe the results either but the rwtq results didn't change with the Diablosport tune, so I'm not exactly sure why the rwtq numbers were up over the last dyno session of 326rwtq. Dyno error perhaps?????


Q) What was the air density and humidity on the two test days. Those are incredible gains from oil.
A) Sorry, I don't have that information with me. I'll ask the dyno shop when I return on Wednesday.


Q) Can you post the graphs? Those are the most telling. Would also be nice to see the A/F ratio during the pulls (most dyno shops put them on the same graph).
A) I'm use to Dynojet software where you can download the dyno viewer to your computer and view your dyno graphs. The Mustang dyno does it a little different where they send you a pdf file but I don't know how to use or navigate with it just yet. I'll ask the dyno shop for some assistance when I return on Wednesday.


Q) You have a 900whp mustang...so this isn't your first rodeo. But these numbers are a bit wonky don't you think?
A) Thanks and the Mustang is pretty cool considering it's basically a daily driver. I've been part of a few successful race teams and have done R&D with many aftermarket companies including Ford Racing but I have a lot to learn on the HEMI engine and engine management side of things. The only thing wonky is the rwtq numbers from oil change but other than that the other numbers are fine. I have no axe to grind here and will post whatever is available to me when I return to the dyno on Wednesday.

My goal for my 2014 Jeep Grand Cherokee Overland V8 were as follows. See how easy the modifications were for the avg. owner and see how much power I could pickup with those modifications.

Thanks
Michael Plummer
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1994 Mustang Saleen: 890rwhp & 771rwtq
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