NA (aka Non FI) Maps for Spark and Fuel, AFR etc - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-25-2010, 05:29 AM   #1
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Default NA (aka Non FI) Maps for Spark and Fuel, AFR etc

So while playing with Megasquirt I have been reading a few threads trying to make a solid starting point from the knowledge others have shared.

However most are boosted and at this point my goal is to get the unit in, tune for 91 Octane, then E85 with one of my sets of bigger injectors and then work on boosting.

Because of that I wanted to gather as much NA information because while I want it to happen quickly (The transition to boost) I guess 3 months max before I am 100% ready with a quality build.

So maybe those of us running NA or those Gurus who feel like spending some spare time on it could help me and others out with some NA Maps for Spark, Fuel and AFR Tables.

***DISCLAIMER*** My Tune is My Tune, You may have issues that could result in damage so be careful (Aka Use at your own risk).
Also again my Motor is a 1.8L Non VVT (aka 2000) (When I make my NA E85 Setup I will make it clear which maps are for E85 and what injectors)

Here is the spark table I was going to start with:
Name:  OpeningSparkTable1.jpg
Views: 412
Size:  77.4 KB

And my Second Spark Table as a backup:
Name:  OpeningIgnitionTable.jpg
Views: 258
Size:  77.1 KB

I took it from the Dyno Spark Thread (See my Reference Links below)

As for AFR and Fuel I am not finding near as much information but I would like to use the full resolution for NA only since I might as well to enjoy the fun of MS2 (Coming from MS1).
They are a mix of what has been found while researching and user posts here.

Current AFR Table:
Name:  OpeningAFRTable.jpg
Views: 346
Size:  88.1 KB

Current Fuel VE Table:
Name:  OpeningVEFuelTable.jpg
Views: 764
Size:  96.1 KB

Thanks again.

My current tune:
http://www.mediafire.com/?765uj5odn85o6xx

Last edited by Cross; 10-26-2010 at 12:50 AM.
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Old 10-25-2010, 05:29 AM   #2
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AbeFM PNP Useful Information:
Quote:
Originally Posted by thirdgen View Post
Also, if I remember right, Abe's .msq was set for inverted spark (for cop use) make sure it is set to non inverted.
Tach Output:
on
JS11
Normal

Quote:
Originally Posted by AbeFM View Post
Ok, that settles it. Just went and tried it both ways. It's definitely falling edge that you want.
AbeFM Firmware/Set V2 The password is "abe"
http://www.ingenieure-reichel.de/upl...rmwareV0_2.rar



-------------------------------------------------------------------------------------------------------
Reference Links/Information:
http://www.megamanual.com/index.html -- MegaTune Manual for MSII
https://www.miataturbo.net/megasquirt-18/ve-table-tuning-52406/ -- FatKao's Thread
https://www.miataturbo.net/showthrea...+target+tables -- AFR Target Table Thread
https://www.miataturbo.net/megasquirt-18/dyno-tuning-take-look-fm-we-want-your-timingz-18648/ -- Dyno Timing/Spark Thread
https://www.miataturbo.net/showthrea...ighlight=AbeFM -- Baseline MSQ for '99-00, including Abe's Board

Last edited by Cross; 10-30-2010 at 09:25 PM.
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Old 10-25-2010, 05:55 AM   #3
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Really interested, but i really canīt help.
Hope someone can help us
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Old 10-25-2010, 10:28 AM   #4
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My starting VE and AFR tables are in this thread. The VE table was far too lean but the AFR tables seems to have served me well.

https://www.miataturbo.net/showthread.php?t=52406

My VE table is drastically different now though. And the random 14.0 AFR target on the 100% AFR load row should be 13.0/13.2. (%load = Kpa in MS3)

Here is my current VE table, still needs some more driving around and some manual smoothing but it's in the same ballpark for a 2001 motor.



Is there any reason you're not just using the maps from a base tune from DIYautotune? I had to roll my own/wing it based on existing maps since I was MS3 and NA but if you're using MS2 it should be fairly plug and play with the tables.
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Old 10-25-2010, 11:15 AM   #5
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Here is a good thread pertaining to AFR Target Tables: https://www.miataturbo.net/showthrea...+target+tables. Not sure how much you'll find too much regarding NA applications but might be worth a look.
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Old 10-25-2010, 12:41 PM   #6
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Thanks to both of you, FatKao your information is really helpful and I will read that thread today pdexta.

My goal is that while I know everyone's setup is different I will make and post my maps of my 91 Octane setup and my E85 Setup all NA before I boost (Or go to the KLZE I have made an offer on to swap in).

This way it should be a good starting ground for those who are NA and loking to go radical NA, or so I hope. (I am also sure it should help others here who just want to enjoy the fun of Megasquirt before they boost as well).

But first some work, then back to the fun.
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Old 10-25-2010, 05:53 PM   #7
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Alright I just got to making my VE table and I was curious as to why my system can't have decimal usage like the one you posted. Time to play around with settings.

Also I was looking at your AFR Table and you go from 5000 to 7500 at the end there, thats a big jump.

Last edited by Cross; 10-25-2010 at 07:03 PM.
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Old 10-25-2010, 07:28 PM   #8
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The only change is on the 55Kpa line though so it's not that important. There is much more volatility in the lower RPMs.

The decimal issue might be a MS3 vs MS2 deal, I'm also using TunerStudioMS.
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Old 10-25-2010, 07:32 PM   #9
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It might be because I am use Tuner Studio (Paid Version) as well.

I want to find a good base AFR Map to compare with a few others but DIY seems to be... frankly not one I want to use compared to the ones I have seen so far (Seems boost setup mainly) and finding NA maps is well... challenging.

But I just found 2 more so I am going to take a look.
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Old 10-25-2010, 08:18 PM   #10
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Good timing, I'll be running my car NA for a bit and will need a solid base map. Please post up whatever tables (or links to threads) you come across, thanks!
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Old 10-25-2010, 08:24 PM   #11
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Keep in mind that my maps are works in progress. The car runs around but still has some issues with idle and throttle input at idle.
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Old 10-25-2010, 08:26 PM   #12
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I just finished my AFR and Spark Tables I am posting them now.

I will also make a Ref listing of all the threads I go through in my second post for you.
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Old 10-25-2010, 08:30 PM   #13
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Have a look at this. Map for an n/a 1.8 with I/H/E mods and exhintake swap. AFR targets should help you along.
Attached Files
File Type: msq CurrentTune.msq (53.8 KB, 760 views)
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Old 10-25-2010, 08:38 PM   #14
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Thank You!! I will open it now, as for now my two maps are up.

Sorry I have been catching up on the games I missed yesterday with the wife so I have been a little distracted.
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Old 10-25-2010, 08:51 PM   #15
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Wow, I am a novice but looking our spark tables are close but compared to the AFR Table I just made yours is quite different. Mind me asking your Fuel Octane Level compared to say US 91 Octane and also looking at it your numbers are much leaner than my base map setup, I guess its just a big jump to that AFR table but one I am very curious on.

I like it either way the information is excellent, guess this is what a lot more time tuning will yield.
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Old 10-25-2010, 09:04 PM   #16
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I use RON95. Should be close to your 91 I guess. Never had any knock, not even when driving hard and letting it heatsoak like hell on track. Had it dyno-tuned for spark though.
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Old 10-25-2010, 09:40 PM   #17
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Hmm just looked over your cam swap... interesting I might give that a run.

But for now I am just looking over your whole tune and hearing your spark is dyno tuned thats very interesting to hear. I am going to make some adjustments to my file and give this a run tomorrow I believe.
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Old 10-25-2010, 09:48 PM   #18
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I'm curious about why so lean as well. I've always been under the assumption that max power is around 13:1 give or take? Then again 140WHP ain't too bad.



These is my current AFR targets. Cutting the fuel in the idle blocks makes the engine come off idle much nicer. I think once I get my delay issue squared away I might start looking for someone with a dyno and experience to tune my spark map. Anyone want some beer near Durham, NC?
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Old 10-25-2010, 10:53 PM   #19
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Alright I have updated mine esp at the spark table area, if yours is dyno tuned I want to give it a spin but I saved my other table as a second spark table so I am hoping it allows me to pick between the two. That way I can test it out and see how it goes. (The only mod I do not have is the Exhaust Cam on my Intake side but frankly that should change as soon as I find one lol. I am curious though how close this will be on E85... *Grin*)

As for Fuel VE table I am about to play with that now.

I was too scared of your AFR table but I did modify mine some after you changed yours FatKao (I always have to make sure your name is FatKao to make sure I am not going to say something that will be taken as me being rude or an *** lol)

So now its off to work on making my Fuel Table and then tomorrow I will wire in and cut the hole for the wideband, wire up my gauges and install Megasquirt then go for a cruise off these base maps. Should be interesting.
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Old 10-25-2010, 11:14 PM   #20
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Out of curiosity when done does anyone mind looking over my MSQ and ensuring it should be good to go in terms of all the other settings for my MS2 AbeFM PNP Kit?

Something I have not been able to figure out (I have the old tune on the unit but its for MS2E 2.X and I can't open it now) is if I can do Sequential injection like I want or not.

Other than that I think I am just about done!
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