Post dyno thoughts
 

So I just got back from the dyno and got things dialed in a bit better. The tuner also corrected some things I had overlooked. I made 167hp which seems a little low to me based on my setup. The tuner said that HP could be what we over 200 if we raise the psi to 15 or 16psi. Could someone take a look at my tune and give me some direction?

My setup-SR20 Garrett turbo 11psi
-Flying miata turbo kit
-3” exhaust
-DIYPNP
-Boundary Engineering Billet Oil Pump66PSI
-Supertech pistons w/ wiseco rings 84mm/8.6:1
-K1 Forged H-Beam Rods
-ACL rod and main bearings
-ARP main studs
-SuperMiata Harmonic Damper
36-2 Trigger wheel
-LS2 coils 510c
-Deatschwerks 255lph fuel pump
-Injector Dynamics 1000cc
https://cimg4.ibsrv.net/gimg/www.mia...22c0a1272a.jpg

Tell me more about your turbo. Which SR20 is it from? It seems awfully low.

What does an GT2554 make at 11psi?

Based on my best research these are the specs

Compressor: T-25, 60 trim 56mm 0.60 A/R BCI-1 compressor.

Turbine: T-25, 62 trim 53.8mm 0.64 A/R turbine housing.

Mind posting your spark map? Did you pay the dyno for a full tune or just dyno pulls? (link your full tune and the log of the dyno pull if you can)

Are you using a manual boost controller? Boost control is diabled in msq. The numbers are more inline with what spring pressure would make.
Also your timing is way too conservative for your compression ratio.

https://cimg6.ibsrv.net/gimg/www.mia...213045e85b.png
I paid the tuner to look though all of my settings and then he did some dyno pulls to for power.

I'm only using wastegate pressure. It translates to about 11psi.

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Post a log. Your boost curve will almost certainly show correlation to the power curve. Wastegate pressure s*cks compared to even a mbc.

I don't have a problem doing a log. But what is the boost curve/log gonna tell you that you don't already know. (Power level at my current peak boost)

It will tell us if you are getting to your 11psi at redline or 11psi at 3000 rpm. That is a big difference.

Also - What fuel were you running? At 8.6:1 your engine is set up to make power on pump gas (premium). You can't know for certain what is safe in YOUR car with YOUR fuel, but your spark map looks really similar to what mine is at 11psi, and I am at 11:1 compression.

I don't think your problem is spark though.

I understand. Hopefully it is 11psi throughout the RPM range. The easiest way to log this would be logging map pressure, right? Can't you also pay close attention to the boost gauge and see weather or not your turbo is holding the 11psi steady? Because it does do that.

I would also expect the tuner to see obvious red flags if the map pressure/or boost consistency were an issue.

Just do a full log (connected to laptop running tunerstudeio) of a pull in your 1:1 gear (4th in 5 speed, 5th in 6 speed) from about 2,000 rpm to maybe 70-80mph. That will tell us quite a bit.

Do you know how to do a log?

Data Logging not great. I can't seem to load a .mgl file. But the log shows that my boost does get to slightly higher than 10 psi and AFRs are 11.5 to 12 when i go WOT.


https://cimg8.ibsrv.net/gimg/www.mia...c044259775.png

https://cimg2.ibsrv.net/gimg/www.mia...49c1db9f59.png

Ok. Good data. .mgl? You sure it's not .msl?

yeah it saved as .mlg.

Just noticed there is a setting for .msl and .mlg and i had it set to .mlg.

Weird. just for now name it .txt

I will change it's name back to MGL when i download it.

not sure if what i did will make it work but here it is.

Weird. Still not able to load it. Anyone else?

(what you did was just rename it as a file format that COULD be uploaded)