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Case Study # 330 - Perfection in a Tune

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Old Nov 13, 2006 | 08:24 PM
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DynoFlash's Avatar
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From: 2003 Evo VIII - Silver
Case Study # 330 - Perfection in a Tune

This car was the smoothest running Evo I have ever run accross

Not a record setting dyno resultg but I was very impressed with how it ran given the few mods on board

HKS RS Intake
Buschur Exhuast
Walbro Pump

Dyno Flash custom tuned

93 Octane - 20.5 psi peak

The customer requested a super safe and conservative tune

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Old Nov 13, 2006 | 08:26 PM
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Those are amazingly flat curves for a turbo car. Well done. My supercharged V8 doesn't have near as flat a curve as that.
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Old Nov 13, 2006 | 08:29 PM
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From: Peekskill NY
Is this an 8?
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Old Nov 13, 2006 | 08:30 PM
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From: Sacramento, CA
Originally Posted by Ultimate CC
Is this an 8?
Yes the dyno graph says its a 2004 Evo
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Old Nov 13, 2006 | 08:36 PM
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From: Michigun
Does this car have the 10.5 hotside?
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Old Nov 14, 2006 | 07:23 AM
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it looks like any other dyno for a car with intake, exhaust, tune. the torque curve is really not that flat, the RPM scale was just stretched such that the plot only displays 3000 rpm range. scale the graph such that the RPM begins at 0, or 1000 or something you can compare to any other curve. in the displayed range, the torque drops off 30%. the tune is certainly not bad at all (hell its actually pretty good for a "conservative" tune) it is just a typical tune that the torque falls off at higher RPM's. so i'm sure this torque curve is not any flatter then your supercharged V8 dcorn.
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Old Nov 14, 2006 | 05:49 PM
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From: Michigun
Yeah, DynoFlash needs to show us the entire dyno chart. I feel like i've been duped. When I first glanced at it, I assumed it started at 0 rpm.
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Old Nov 14, 2006 | 05:57 PM
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Al, why would you stretch this one and not the other case studies you have done so far on this new Dyno Dynamics?
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Old Nov 14, 2006 | 06:00 PM
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From: NyC
As th plot thickens!
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Old Nov 14, 2006 | 06:52 PM
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From: 2003 Evo VIII - Silver
Fear not troops ! Its a new dyno and I am still getting used to it.

I printed a version starting at 2,000 rpms and will post it later (on the dyno now)

Al
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Old Nov 15, 2006 | 11:32 PM
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From: 2003 Evo VIII - Silver
Originally Posted by KevinD
it looks like any other dyno for a car with intake, exhaust, tune. the torque curve is really not that flat, the RPM scale was just stretched such that the plot only displays 3000 rpm range. scale the graph such that the RPM begins at 0, or 1000 or something you can compare to any other curve. in the displayed range, the torque drops off 30%. the tune is certainly not bad at all (hell its actually pretty good for a "conservative" tune) it is just a typical tune that the torque falls off at higher RPM's. so i'm sure this torque curve is not any flatter then your supercharged V8 dcorn.

I have rescaled the starting and ending rpm points

The tune still looks smooth to ne

Glad I could resolve this confususion for you

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Old Nov 16, 2006 | 07:31 AM
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Looks like any other dyno graph I've seen that the tuner actually took time on... Also looks like power doesn't drop because the car was only revved to 7k but eh. Good power for the mods.
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Old Nov 16, 2006 | 07:33 AM
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From: DFW, TX
in the words of borat: "HIGH FIVE"

the curve is certainly smooth (although the dyno software can smooth it out automatically to some degree). but just as i pointed out, it still has the toque tapering off as RPM's increase, which is to be expected in stock turbo (9.8HS)/cams.
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