How To Datalog & Use VE Analyze (Tuning Video #3)

[@PANTYEATR1]

future megasquirt video ideas: after-start table tuning, cranking and warm-up tuning, super fuel economy tuning when cruising in closed loop. good job on the videos, subscribed!

[@John-uq1ye]

When I was running megasquirt in the past I payed some guy 60 bucks to "make my car run.. better". I wish these videos were out when I was in that situation, I would have saved money, learned a ton (faster!!) and probably would still be using the megasquirt.
TL,DR: Greg, don't stop making these videos, they're SO helpful especially for someone that's never been around the MS block. Thumbs up.

[@ryantoosick]

dude i don't even own a miata (i intend to next year) but I've watched your whole broke and boosted series and its honestly inspirational. thanks for the quality and informative content. keep it up!!!

[@1188clean]

your mega squirt videos make it look so easy. I have a bmw e30 that I've planned on boosting just the tuning part I find it very difficult/intimidating . watching this video gave me a little bit more confidence. thanks!

[@bommeromme]

That one dislike must be from the Mustang driver, haha. Great vid once again! Keep up the good work craig

[@johnl5573]

pretty sure his name is greg

[@Simpyspec]

I always wanted a miata, skipped it but now have a 2000 M edition and have been rewatching all the videos super useful

[@Jeffsacadaver]

I wanted to stop and thank you for this video. Having recently turbo'ed my Miata I have been exploring tuner studio for a while. This video provided a missing link to how to use logs and tune.
THANK YOU!

[@codybehr4308]

I don't have anyone in my area who can help me get my miata tuned, so without these videos I'd be totally lost, thank you

[@Maxxz91]

Have watched these videos again since last time back in 2016 and it is gonna help me sooo much!
In the future i'm gonna install a megasquirt in my car and with your tutorials i'm gonna get going so easy.
I was really skeptical about tuning and all that but it is actually pretty ''simple''
Thanks!

[@zonoscopePictures]

Thanks for that bit at the end about setting Controller Authority to zero when in Auto Tune. I've been having some strange behavior when driving at high speed in Auto tune, I will check to see what the Fuel Settings/EGO/Controller Auth. is set to.
Great stuff!

[@kon111]

Another useful video! Good work, showing how VE analyse works. I followed your last vid to adjust acceleration enrichment, worked a treat!

[@bcredeur97]

Wow tuning has always been a thing I have found hard to find learning materials for. Lots of things I didn't understand though that I do now. You're very helpful and I love how you go about explaining things in a broken-down manner. I hope to one day to perhaps go standalone on my Miata (which has VVT which makes things more complicated I hear, but you also have a VVT motor going in your other Miata, perhaps you can make a video about VVT tuning then?) which would be awesome and the knowledge you shared is good to know. it's unfortunate that standalone ECU's are so expensive though. But it is probably worth it (esp for a boosted car). That said, keep up the good work!

[@popupheadlights]

I know I’m 5 years late lol and idk if you still need an ecu, but look up speedy efi, it’s a arduino based ecu plug and play that also uses tuning studio!

[@Lagos3sgte]

There is no reason to set EGO correction to zero. VEAL takes EGO correction into account when doing its calculations. This has been discussed a few times on the Megasquirt forums.

[@TheCarPassionChannel]

Ah okay, I wasn't aware.

[@vitorjorge3534]

Hi. does MS also compensates aceleration enrichement and fuel cut?
Tanks

[@bakedandsteaked]

Vitor Jorge No it does not. That is stuff you will have to mess with yourself to see what works best

[@hectorgomez502]

VEAL Does compensate for AE, though it does not Tune AE. You can figure out what AE works best for you and leave it on during VEAL without issue.

[@Nasonix2]

I've always thought fuel enrichments and EGO wasn't calculated for during VEAL. Thanks a bunch!

[@RetiredTechnician]

Great video can't wait to try it out. Providing nice wires it up correctly. Every e30 guide is 10+ years out of date 😂

[@rollandsicard1628]

Greg: Thanks ever so much for all these videos. Really appreciate the common sense way they are put together. Already bidding on Ebay for MS3X. One for the 383 stroker in truck and one for the 1971 Datsun 240Z V8.

[@TheCarPassionChannel]

Sounds like you have a couple awesome builds going!

[@jonnyviking1764]

You mentioned in an earlier video that before tuning you should have a good idea of what's going on in your engine. What sort of things should I be looking at or learning about? All the things or just key parts?
Thanks for making these videos, I've been trying to wrap my head around tuning for a while but your videos help break it down to make it easier to understand. I'm slowly figuring it out :D

[@TheCarPassionChannel]

Yeah I mean everything helps really, just knowing what all the parts of the engine do, and the concept of how they work. Cams, fuel injectors, valvetrain, air:fuel ratios, etc. Every time I come across a concept I'm not familiar with, I'm researching it. Which is several times a week. There's just so much to learn!

[@jordanwilliams2660]

another helpful video, trying to learn all I can while saving up for my Megasquirt

[@Eskimoz]

Génial TheCarPassionChannel

[@runesmDK]

The cell weighting is not how much time you've spend in an area as such, more a pointer to how satisfied VEAL is with that area. Green should be right on the money. Also, VEAL takes EGO into consideration.

[@yossi126]

The registration for tunerstudio is worth every penny! Without autotune I would be running super lean straight out of the shop

[@TheCarPassionChannel]

Dude VEAL + gauge customization is so worth it!

[@the-real-rg]

SUPER LIKE on that mustang rip at the end there LOLz

[@Diondo26]

just installed a MS2 in my MUSTANG ....dont talk bad about Mustangs.... hahahaha.. cool your Videos..helps so much!!! thanks

[@colinlyne1660]

absolutely fabulous fella many thanks

[@akhataybeh]

BIG THANKS FOR THE VIDEOS :)

[@GoncaloSantosHit]

The tunerstudio manual says that VE analyze takes into account the EGO, so you can leave that on

[@dunaweezel]

That cop was waiting on Greg that whole time. Not today

[@matsbloodworks]

This video is so useful, I appreciate a lot. I’m running a miata in japan with a ms2. Btw for Japanese ppl who don’t understand English is it possible to add auto generated Japanese subtitle? I would have been happy to offer translation but UA-cam terminated the function which allowed viewers to corroborate...

[@Eskimoz]

Toujours aussi efficace.

[@A4Gproduction]

Mike may be the Miata king, but you are the Miata meme lord.

[@TheCarPassionChannel]

A4Gproduction lollll

[@JosephConley0]

Solid work dude!

[@Eskimoz]

Très sympa TheCarPassionChannel

[@Cragiss92]

the 1 dislike is the dude that got busted haha awesome vids bro cant wait to get megasquirt for myself

[@pawpatina]

why is your driver rear roof latch half undone? lol

[@joro8604]

Good series.Vid Suggestion- What to do if you screw up your settings and the car won't start or runs like complete shit?

[@nickdeleon3320]

love your videos! could you explain how to analyze the data logs.
thanks!

[@Nasonix2]

I personally would prefer to run only ignition cut for overboost protection. Because that way, it doesn't skimp out on any fuel that might be needed during an overboost, and it's a little less violent. You just hit overboost and feel a pause of power due to being pig rich, maybe make a fireball at worst. When I ran fuel cut only, hitting overboost was way more violent. imo
It makes me wonder if your 1.6 was running fuel cut only when it last overboosted on the dyno. Worth thinking back to.. hmmm, right? o.0
Just ignition cut only seems like the best case scenario to me for OB

[@erebus38]

Am I actually understanding it correctly with what you're showing in how this tuner studio program for the Mega Squirt is actually dialing in and properly adjusting the AFR's to safe levels on it's own as a program live as you're driving the vehicle? If so,that's pretty sweet! I generally suck with computers and that's one of the main reasons for why the idea of messing around with any aftermarket ECU's kind of makes me nervous. I've heard that this Mega Squirt ECU alone without the basic bolt on parts (intake,header and exhaust.) sometimes can open up even more potential power and torque than what those same bolt ons alone with the stock ECU would do with this engine is stock form.

[@Ooo_dang_jesus]

Can you datalog a crank no start the same way?

[@jacobk9049]

So do you recommend using auto tune on tunerstudio or Megalog viewer? I’ve installed my refurbished rx8 420cc injectors (real ones) and am having major issues with it driving or idling due to it being majorly lean and rich. I’ve set my req fuel to 6.4 and dead time to 0.8. Any tips? My car was running well on the stock injectors before installed the new ones.

[@TheThecharliejolly]

ayee that FMB shirt 👍

[@john119977]

how about a video on tuning spark with virtual dyno.

[@baltod4978]

So- next, would you have driven further/harder using VE Live to have it mold that part of the graph? (higher RPM/KPA)

[@ClassifiedRecon]

Wow, guess I'm buying it

[@badengilmore9762]

Dude thank you!

[@Kamwi_003]

Hey Greg, if you want a truly free screen capture program with awesome features, look into ShareX. Its made my a developer on Facepunch. very handy, and I believe its open source.

[@ads1035]

So, both VE Analyze and Autotune will try to adjust your VE table to approach your AFR table... But how do you know what values in the AFR table are the correct ones? Seeing that 16:1 AFR between 1,100 and 2,000 RPM is a bit scary, I must say... Why is it desirable to take the AFR higher than 14.7:1 at all?

[@loveforthegame3]

cannot believe how Detailed megasquirt is

[@kuvaldaworks6293]

nice video

[@jvsyoutube3298]

well, this video made me subscribe!

[@TheCarPassionChannel]

Welcome!

[@truthseeker520]

Change Fuel type in MS to e85 for the future?

[@pawpatina]

also interested

[@joshsmith421]

same here

[@melody3741]

Gabriel Rubio you need a flex fuel sensor but thats literally it

[@truthseeker520]

Melody thanks for the reply. I was referring to where you change the Stoichiometric setting since e85 AFR target is 9.8 vs 14.7 for normal gas. This setting makes it easier to tune. fyi, you use a fuel flex sensor if you are going to use 2 different types a fuel. I am now on e85 only with no sensor. Thanks again for your input.

[@melody3741]

Oh okay! I was actually planning on making a turbo build that was flex fuel so i could use whatever gas was available near me. Not all gas stations in my area have e85. Ive been looking into it a lil and deciding on whether i should get megasquirt or get the fm220 since both support it

[@Leeroy002]

excellent.
now if i could just get my supercharged MX5 to stop idling fast that would be great

[@runesmDK]

Less air should do the trick

[@Leeroy002]

see now, how to do THAT would have been something to include in the first video of this series, you know when we were going over how to set up idle as opposed to just saying "idle is all about trial and error".
ANYWAYS, what are the best adjustments in the idle controls that if made lessen the amount of air therefore lowering idle speeds?

[@lkkjhg45]

+Leeroy002 check idle duty vs clt table

[@Leeroy002]

oooooh kaaaay...
then what?
what am I looking for?
what do I need to be careful of?
what changes do I make, if any?
what comparisons am I making?
what follow up checks do I need to make?
see this advice given back is tangible to "just do it".
Shia Labeouf would be proud.

[@foxbodygarageamerica9382]

hi and been following your channel also Greg Peter channel great job. anyway when tuning I set eugo setting to 0% and now it follows my afr table too what I entered is this correct? then when turned back on too 10 or 15 will it try to fix my tables to reach stoch ? I'm confused maybe a you can help clear this up for me before it goes boom ..thanks in advance !!

[@Eskimoz]

Perfecto :)

[@LJ_AF]

Hey man. Thanks for the videos! Quick question. Do you have a video on the idle air control valve settings? When I press the clutch in pulling up to a red light, sometimes it will shut off because the iac valve can’t keep the RPM’s from dropping too low.

[@stuartsherman5975]

Thank you for the very helpful video. What hardware is needed to data log into tunerstudio using my stock 2016 c7 z06 ecu that I can input an aem afr wideband sensor/gauge kit? I already have a laptop. Is there an odbii connection into a data logger that hooks into a laptop. Any recommendations you could provide would be greatly appreciated

[@TheCarPassionChannel]

Sorry I'm not sure of the actual tools/software needed, but the cool thing is OBDII cars are wayyyy more capable as far as what the ECU is seeing, so you just need the right interface that can read/record it.

[@AaJii]

i was just wondering.. why won't you use something like ecumaster det3, since this is a budget build?

[@smiller225]

love your megasquirt videos. what megasquirt unit are you using? I am trying to figure out which one to buy for my ls1 t56 swap. I want one that has the auto tune feature just to get me started.

[@TheCarPassionChannel]

I have MS2 which can do that, regardless of which one you go with you need the full version of Tuner Studio for VEAL. MS3 has more features.

[@joanyguillemette]

can you make a video on ls2 truck coils please :)

[@truthseeker520]

This video is great. Any tips on adding more fuel off the get go. The car idles fine but I cant even rev the car right now with the 1000cc injectors even though I made the suggested injector changes in megasquirt.

[@TheCarPassionChannel]

Yes you're probably going to have to make manual adjustments to the VE table, or adjust the acceleration enrichment, or both.

[@truthseeker520]

Roger that I will try some of the changes tonight. AED tomorrow, I know ive said it several times but hope you can make it out Greg.

[@truthseeker520]

Mission complete! gt2560r on E85 making 271hp/230tq at 12 psi on waste gate 219hp/200tq at 9psi. Toby says whats up. Ill update my channel soon.

[@TheCarPassionChannel]

Gabriel Rubio Awesome man! That's a fast car.

[@WayywayyH]

Even if you use the autotune feature, you should still get a dyno tune, correct?

[@TheCarPassionChannel]

100%
The Autotune is for fuel only, and it's really only useful for rough fuel map tuning. Will still need to fine tune some areas by hand

[@christianmartinez2030]

Hey Greg i have a question, i'm learning a lot from these Megasquirt videos though i'm not going to tune my car i still have lots to learn, but i do have a question. If i'm going to run Megasquirt or any other stand alone, do i need to run a boost controller, or can i just control the boost through mega squirt? thank you

[@TheCarPassionChannel]

You can control the boost with MS as long as you have an electronic boost control solenoid. (All electronic boost controllers require one)

[@eduardomargutti]

bang bang bang

[@CarGuyGarageCCG]

When trying to run ve analyze im getting a warning saying "min rpm" 197 records to be filtered, sorry really new to this and trying to wrap my head around everything still any ideas what this is doing this i bet it is something i am just overlooking.

[@oldjdmtek488]

Greg, what do you do for CA emissions testing? Can't imagine a local test place hooking up to your megasquirt

[@derrekreynolds4439]

commenting to follow

[@stevenolson95]

same here?

[@XxboaredofbordemxX]

I thought that in California after your car is a certain number of years old you no longer need to emission test

[@TheCarPassionChannel]

Unfortunately they stopped the 25 year rule in 2000; so only cars that are 1975 and older don't require smog tests. Hate it.

[@XxboaredofbordemxX]

Well that sucks. I am kind of interested in how you deal with smog checks then but I also can see why sharing that information might not be the best idea.

[@aneveningwithgod-abilingua7605]

Will you be adding a sensor to the fuel line to detect the percentage of alcohol that is in the fuel or are you going to leave a safe margin on your fuel map?

[@TheCarPassionChannel]

This is what EGO helps a lot with when running E85.

[@strawberryhill4307]

greg, do you ever regret trying to push 300 on your miata? and what do you think you could have done to prevent it from blowing?

[@TheCarPassionChannel]

Nope no regrets. And maybe, but honestly there aren't very many stock Miata motors that have made it past 300, the parts can only take so much force before failure.

[@mpayne099]

So I just put a vvt in my NA6 and literally just got it running last night and was wondering how I would go about setting up the VVT in tuner studio. I already have everything wired to the ecu just unsure how to go about setting it up. Would I be able to load a 01-05 base map and it have a tune for the vvt or would that be something that would need to be done on the dyno?

[@TheCarPassionChannel]

It's most likely already on and working, assuming you've already loaded an 01-05 base tune. The base advance map is pretty decent too.

[@mpayne099]

@@TheCarPassionChannel at the moment right now it's only running on the NA6 map that the ecu came on I'm trying to download the 01-05 base map from diyautotune right now but I'm having issues on my end with my computer putting the file into narnia. I noticed that there was a boost/vvt tab on tuner studio and it says off when I select vvt settings

[@alexbessonov5397]

how do you know what your afr should be at certain points on the load/speed table

[@TheCarPassionChannel]

Research, just see what other people on forums/etc are running.

[@alexamaya554]

Any install videos coming soon? I'm not quite on mega squirt level yet

[@TheCarPassionChannel]

Yep very soon! This will be the last MS video for a little while.

[@lalorocha985]

So would this be the way to tune in low boost yourself (~4psi) so that when you get to the tuner you can tune for your desired boost?

[@47shift71]

Lalo Rocha some stock ecu's can run that no problem. Really no need for megasquirt when boost is so low.

[@yourbud101]

+TheCarPassionChannel I am not sure if anyone else is struggling as much as I am with finding and setting the "injector dead time". I have read many things about it on turbomiata.net and all over the interwebs, but nothing is really sticking with me. Do I need to be concerned about the IDT or not

[@slandon1977]

What injectors are you running?

[@yourbud101]

+Stephen Landon I am running deatschwerks 700cc injectors

[@slandon1977]

What dead times are you running now? I am seeing numbers of 1.4 one some forums but that seems incredibly slow. It is my understanding that as long as your car never needs less fuel than (in this case) 1.4ms of fuel you can set it that way and the worst thing that will happen is that your VE table will be very low (number wise) in the low load/RPM areas. It will also throw off your map a bit if you upgrade to injectors that have full characterization data. This link seems to have DW 700 data: www.deatschwerks.com/images/stories/injector_tech/Injector_Characterization/16u-65lb.pdf

[@slandon1977]

Let me know if you need help turning that into MS relevant data.

[@slandon1977]

Started thischool thread for you: www.miataturbo.net/megasquirt-18/dw700-characterization-data-megasquirt-90268/

[@dangerousfandango5943]

Can I catalog and auto tune at the same time?

[@TheCarPassionChannel]

Yes

[@totorigamie]

Is the vtps really needed for a 1991 1.6 ?
Have you heard of me221 ecu ?

[@TheCarPassionChannel]

It's only needed if you want to use the vtps based features, it's not required just to run MS. Yes I've heard of it.

[@DylGon_K24]

From the base map could you tune your car just with auto-tune itself? (Just to get it to the tuner)

[@TheCarPassionChannel]

Essentially, yes. You may need to mess with idle setting as well. The better you can get the tune, the less they'll have to do

[@DylGon_K24]

@@TheCarPassionChannel I see. I also like what you did there at the end lol. Rap god?!?

[@jhuds88]

can the megasquirt be used for the k24a2?

[@TheCarPassionChannel]

It can run pretty much any engine. PnP models aren't always available but the DIY versions can be modded to run most engines.

[@Kenjitheninja]

Hey Greg, still planning to show how to build a BP after this series?

[@TheCarPassionChannel]

I've been doing quite a bit of behind the scenes stuff on it. That's one thing I don't want to rush. Since this series is pretty much a flop, the VVT build will be starting soon for sure. I've just been researching and collecting parts up to this point.

[@Kenjitheninja]

According to my experience people are too scared to their tune car by themselves since different people have different setups, plus there is also a higher variety of ECUS to choose from.. Or do anything electrical for what matters. Nonetheless, I found this series very informative as most things would apply for other ECUs as well!

[@ToddDunning]

What is it about Mustangs? It’s the golden ticket to douchebag heaven

[@melody3741]

whats all that creaking when you are driving

[@sugoi4983]

miata

[@AmanYoskii]

i have to ask the miata god a question. how tf is haggard garage "turbo" miata still alive?

[@TheCarPassionChannel]

I doubt it's been driven much. The engines are strong, they can take a lot of abuse, but I can guarantee they're running super lean AFR's which will eventually lead to piston death. (If you ever saw the inside of Taylor Ray's engine, that's what high heat.lean conditions can cause).

[@reyesc267]

how did you get your miata on e85

[@TheCarPassionChannel]

Fuel pump, injectors, re-tune. Done.

[@reyesc267]

Oo are you going to e85 the other miata ?

[@TheCarPassionChannel]

Nope, no point.

[@Felix311311]

3 videos same shirt 😂