PTUNING GT3076R 9 PSI Preliminary 93 Pump Gas Tune - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

ptuning · 07-03-2013, 12:17 PM

We've had a lot of folks ask us what our upcoming turbo system will make at higher boost levels on pump gas. Here is a preliminary 9 psi tune. By preliminary, we mean we didn't spend too much time dabbling with optimizing the tune since we went with WMI shortly after. We'll likely revisit the 8, 9, and 10 psi numbers once we start our local install/tunes for customers who have pre-ordered our set-up.

Note that the tune is knock limited on the 93 pump gas and cannot be tuned for MBT at the power levels that we are at.

Also, for reference, please keep in mind that our Dyno Dynamics Dyno reads 10-12% lower than a Dynojet.....something that a lot of the Vortech and Innovate SC guys will attest to. We'll let you guys do your own math though to figure out what we'd likely be putting down on a Dynojet.

Raven604 · 07-03-2013, 12:48 PM

Which turbo is that again?
Edit: lol its in the title

sw20kosh · 07-03-2013, 12:50 PM

Quote:

Originally Posted by Raven604

Which turbo is that again?

superstani · 07-03-2013, 12:51 PM

Quote:

Originally Posted by Raven604

Which turbo is that again?

I believe its in the title gt3076R
Any other modification besides the turbo kit?

nonicname · 07-03-2013, 01:25 PM

I'm glad to see people are testing real gas and not california water.

ptuning · 07-03-2013, 01:48 PM

Quote:

Originally Posted by superstani

I believe its in the title gt3076R
Any other modification besides the turbo kit?

The only mod we have is a 3" V-band exhaust system. Something we highly recommended with any FI application for the FR-S/BRZ.

Other required supporting mods:
Larger FIC port injectors
4 Bar MAP sensor
Exedy Stage 1 clutch

We're running the stock (untouched) fuel pump/assembly.

ft_sjo · 07-03-2013, 01:51 PM

You say you're det limited, how much advance are you able to run on the top line?

ptuning · 07-03-2013, 02:08 PM

Quote:

Originally Posted by ft_sjo

You say you're det limited, how much advance are you able to run on the top line?

I don't remember the exact numbers off the top of my head, but the timing values are disproportionally lower as the boost goes from 4 psi (MBT tuneable) to 9 psi.

Adding WMI to the mix as allows us to add 3-4 degrees of timing at the same boost levels, thereby allowing us to reach MBT at these mid boost levels.

ft_sjo · 07-03-2013, 02:36 PM

Quote:

Originally Posted by ptuning

I don't remember the exact numbers off the top of my head, but the timing values are disproportionally lower as the boost goes from 4 psi (MBT tuneable) to 9 psi.

Adding WMI to the mix as allows us to add 3-4 degrees of timing at the same boost levels, thereby allowing us to reach MBT at these mid boost levels.

Fair enough, I like to keep my spark angles above 12 degrees to avoid high EGT's. Just wondering what kind of territory this power level is in on 93 aki fuel.

Syldrin · 07-03-2013, 02:41 PM

Can't see the chart its blocked here in the Stan. what'd it make?

ptuning · 07-03-2013, 02:45 PM

Quote:

Originally Posted by Syldrin

Can't see the chart its blocked here in the Stan. what'd it make?

318.7 whp
257.1 wtq

Syldrin · 07-03-2013, 02:53 PM

.82 A/R?

sw20kosh · 07-03-2013, 03:53 PM

Quote:

Originally Posted by ptuning

I don't remember the exact numbers off the top of my head, but the timing values are disproportionally lower as the boost goes from 4 psi (MBT tuneable) to 9 psi.

Adding WMI to the mix as allows us to add 3-4 degrees of timing at the same boost levels, thereby allowing us to reach MBT at these mid boost levels.

Not only does it allow more timing but you are able to bump up the boost like 30% more? or 50% more? Untill you are knock limited again.

kanundrum · 07-04-2013, 01:12 AM

Awesome

07-03-2013, 12:17 PM	#1
ptuning Senior Member Join Date: Sep 2012 Drives: White FR-S Location: Manassas, Virginia Posts: 537 Thanks: 272 Thanked 1,003 Times in 305 Posts Mentioned: 146 Post(s) Tagged: 3 Thread(s)	PTUNING GT3076R 9 PSI Preliminary 93 Pump Gas Tune We've had a lot of folks ask us what our upcoming turbo system will make at higher boost levels on pump gas. Here is a preliminary 9 psi tune. By preliminary, we mean we didn't spend too much time dabbling with optimizing the tune since we went with WMI shortly after. We'll likely revisit the 8, 9, and 10 psi numbers once we start our local install/tunes for customers who have pre-ordered our set-up. Note that the tune is knock limited on the 93 pump gas and cannot be tuned for MBT at the power levels that we are at. Also, for reference, please keep in mind that our Dyno Dynamics Dyno reads 10-12% lower than a Dynojet.....something that a lot of the Vortech and Innovate SC guys will attest to. We'll let you guys do your own math though to figure out what we'd likely be putting down on a Dynojet.

07-03-2013, 12:48 PM	#2
Raven604 Senior Member Join Date: Dec 2012 Drives: 2013 Scion FR-S Location: Vancouver Posts: 328 Thanks: 93 Thanked 113 Times in 65 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Which turbo is that again? Edit: lol its in the title Last edited by Raven604; 07-03-2013 at 01:57 PM.

07-04-2013, 01:12 AM	#14
kanundrum Senior Member Join Date: Jan 2012 Drives: 2013 Whiteout FR-S Location: Laurel, MD Posts: 5,364 Thanks: 2,704 Thanked 3,016 Times in 1,711 Posts Mentioned: 106 Post(s) Tagged: 3 Thread(s)	Awesome __________________ Ive spent most of my life racing... The rest I just wasted

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