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View Full Version : Mine's VX-Rom Info for SR20det


iwishiwas-all*
08-26-2010, 09:23 AM
Who has a Mine's ECU? I just got one for my car, which as we all are told, was made for my exact mods, bla bla bla. Well, it runs well and there is a definite difference from my stock ecu, but I want to know EXACTLY what it was made for. It has a serial # from Mines, is a #62 ECU and was supposedly made for:
Boost up
Top Speed Cut Remove
Intake, Exhaust, FMIC
Stock Turbo/ Injectors (But it supposedly has more fuel/timing for the mods)
http://i3.photobucket.com/albums/y75/Gabedm/photo2.jpg
http://i3.photobucket.com/albums/y75/Gabedm/photo.jpg
http://i3.photobucket.com/albums/y75/Gabedm/photo1.jpg
Can I hook it up to a rom scanner of sorts?

Is there anyone who has a list of these tunes from Mine's so we all can find out what they have? I was told that someone had a master list, possibly mines Japan?

MADE
08-26-2010, 10:14 AM
Why don't you E-mail Mines? Since they have an English page Im sure they have some one to respond in English. If KTS does Im sure Mines does.

iwishiwas-all*
08-27-2010, 07:08 AM
I emailed mine's so lets see what they got. Anyone else have mine's ecus? What are you running?

fliprayzin240sx
08-27-2010, 09:17 AM
First of all, how is it tuned for your car when Japan uses higher octane gas? Im willing to bet, that ECU will run your car lean more than anything else. There's no way to tell what its tuned for...even Mine wont know. How many chipped ECU do you think they've made.

lok
08-27-2010, 12:23 PM
you should be able to pull the bin file off with the consult port.

then open it up in rom editor and look at the maps.

GroundPerformance
08-27-2010, 04:21 PM
Your'e better of running stock or have your Mines ECU properly retuned for our 91 Piss gas. The gain your noticing is most likely for running lean and running aggressive timing/ignition maps which is fine for higher octane gas. You can do any of 5 things IMO to be on the safe side. but 1 and 2 would be my preferred choice.

1.) If running only Basic upgrades parts. Switch back the ecu to read to stock Programing.
2.) Either replace the daugtherboard for the one you can easily replace the eprom chips or Modify existing. Get it retuned for 91 GAS and upgrades.
3.) Run higher octane gas.
4.) Get an Adjustable FPR and raise the Fuel Pressure a little.
4.) Leave it alone. - Hopefully you have better luck than others.

iwishiwas-all*
08-27-2010, 06:11 PM
FYI Florida has 93 Octane, which I use. An FPR is a good investment, but im telling you, as is I was running super lean with no computer, atleast now it is close, I will borrow my friends consult stuff tomorrow to see.

Just so you know, Japan uses the RON octane method, and we use RON+MON/2. 100 RON does not equal 100 RON+MON/2.

Read:
Originally posted by [email protected] 17 2005, 12:48 AM
In Europe 98-octane gasoline is common and in Japan even 100-octane is readily available at the pumps, but this octane nomenclature is misleading to Americans as foreign octane ratings are derived entirely differently from our own... So, like every other measurement system it seems that everyone else uses a different scale than we do, but unlike most other instances where we have had the good sense to create different units of measure in this case we all use the same name...
Japan and Europe use a system called RON or Research Octane Number to determine the octane rating of their gasoline, while stateside we use a system called AKI or Anti-Knock Index to determine gasoline's octane rating... Interestingly, to further complicate things it would seem that our own AKI system is actually derived from the average of the RON system and another more complicated system referred to as MON or Motor Octane Number... So, to recap our methodologies for measuring gasoline's octane rating are different, but share some common elements...
So, with the commonality of RON in mind a good rule of thumb is as follows, multiply the foreign RON Octane rating by 0.95 and you will have the US AKI equivalent.

( RON Octane Rating x 0.95 = AKI Octane Rating )
98 RON Octane x 0.95 = 93.1 AKI Octane (US measure)
100 RON Octane x 0.95 = 95 AKI Octane (US measure)

So, as you can see the 93 or 94 octane fuel we are all paying an arm and a leg for is actually quite comparable to the higher octane fuels found in Europe and Japan. The people whom have to worry about low octane rating are our friends out west in places like California that are subjected to substandard 91 octane.
91 AKI Octane (US measure) = 95.5 RON Octane

I got some cool fuel cg's i can post later that can explain this pretty well too.

fliprayzin240sx
08-27-2010, 10:13 PM
Go ahead and hook up a wide band o2 sensor on it, you'll see its running lean.

S14DB
08-27-2010, 11:13 PM
Go ahead and hook up a wide band o2 sensor on it, you'll see its running lean.

You mean his EGT's are higher? The AFR should be the same no matter what the octane.

iwishiwas-all*
08-27-2010, 11:24 PM
You mean his EGT's are higher? The AFR should be the same no matter what the octane.

yeah, its got the same parts fuel to air, the only difference would be the flame speed, which would be minimal at best of a change. I will find a wideband to test, just for shits, but my next mod should be a fpr. I will keep you guys posted on what I can find from the consult readout, but its going to be boarderline impossible for me to understand a map like that. Id have no idea what I would be looking for.

Now if you mean, at a specified load point, based on the amount of air entering my motor, the rom calls for so much fuel, which may be off, if it was not made for the exact mods I have. Thats understandable.

I will say it has a funny behavior when it goes from vacuum to boost, under load. It lurches when I reach 0 lbs of boost, almost as if the computer is switching to a boost map which is totally different fuel setting at that instant, its just not the smoothest transition. I will say this bitch pulls til 7500 easy, its much better than my stock unit.

7evil
11-24-2010, 12:14 PM
Hello, i bought this Mines Sr20det for S14 (code NA) in Japan and i got that: "Most of the 'JDM" ecu's are tuned for Z32 mafs and NIsmo 555 injectors...that doesn't mean other options don't exist...but that the z32/555 setup seems to be the most common"

But inside the manual i got only this, so maybe in this case i don't need to change the injectors right? Anyone know something ?

http://img52.imageshack.us/img52/3205/img05670.jpg

http://img413.imageshack.us/img413/7585/img0568e.jpg

Ecu

http://img508.imageshack.us/img508/2134/dsc00909h.jpg


http://img842.imageshack.us/img842/7977/dsc00910d.jpg



http://img88.imageshack.us/img88/9040/dsc00912by.jpg

The last tranletore say:

"@M060876 MiNe`S konputaa S14 shirubia / SR20DET 9 rimittasetto buusuto W"

nissanman22
11-25-2010, 10:41 AM
hey guys not to thread jack.. my ecu that i got with my motor has a rom inside the ecu like the first picture but no bronze plate on the outside.. from the outside it looks rather ordinary?? anyone get anything similar to that? its a number 62 ecu

7evil
11-26-2010, 10:31 AM
Use this enquiry form, they actually reply.

Mine's Inquiry Form (http://www.mines-wave.com/E_09/Inquiry_E.html#Q3)