BUILDING A VR6 MICROSQUIRT PLUG AND PLAY STANDALONE ECU HARNESS FOR MY BIG CAM MK2 VR6 SWAP

[@SmithsEuro]

Guys fixed the google doc link. Should be available to anyone that clicks

[@RedRocketRenching]

This is awesome, thanks a ton for showing everything

[@SmithsEuro]

No problem thanks for watching I still have to make a startup tune video. Just havent had the time. But ive done 3 events so far with it and tuned it all myself. Best engine management for these cars

[@Matt-vz5wy]

This is awesome. Thanks man. Will definitely be referring back to this in the future.

[@SmithsEuro]

🤙

[@j.m.5995]

That's a nice Shop you've got there! I did something similar but I kept the Original ECM connector intact and merely spliced into the wires themselves back about 12 Inches approx from the ECM. Sorta like a breakout box would be and then simply attached those wires to the new connectors. Turned out pretty clean and I still have the option of running the stock ECM

[@SmithsEuro]

Thanks! Interesting way of doing it. Reminds me of a “piggy back” like an apexi safc back in the day.

[@JoshMustillo]

Thanks for the video! Very helpful dude! Just wondering is there any more info for adding the resistors? Cheers! 🇦🇺

[@SmithsEuro]

Resistors are based on your specific crank sensor I believe i had a 10k in the end i was only able to rev to 7800 with that The higher resistor should allow you to rev higher. Go with a 12k if you need more, and add 1k to it if needed. The board comes with a 25k but I figured that was too much and i dont know the ramifications of using that high of resistance

[@JoshMustillo]

@@SmithsEuro Cheers bro yeah interesting I’ll look into it

[@aygwm]

Standalone is nice… what is the benefit though with all the tuning options you have for the stock ECUs?

[@SmithsEuro]

Adjustability for any setup you choose. Not stuck in the confines of a chip tune. If tomorrow i put a turbo kit in it, all id do is change some settings/numbers in the software. No paying extra for someones outdated chiptune that you have to adapt your setup to.

[@charliesmith2695]

nice workshop! keep up the good work. looking forward to the coupe vids that are yet to come

[@houletuning7647]

Yo respect ma gee for this vidéo i bougt myself a kit

[@karlkellner7009]

Great video and information. Pinout is great, a wiring diagram would also be helpful. Thanks.

[@SmithsEuro]

Click on the a2 resource link in the description. Should help you out some. No real way to link a wiring diagram unfortunately.

[@allanlange2263]

Great video , I've been looking for a vr6 plug and play DIY video. Thanks so much. What sized wire did you use , did you use shielded wire for knock sensors etc ?

[@SmithsEuro]

This is made from the microsquirt flying lead harness. It has 2 shielded sets of wires I only used 1 for the crank sensor. Microsquirt is pretty basic, doesn’t allow for fully sequential so no need for cam sensor anymore. I will be going into a more in depth harness when i do my rabbit 12v vrt or my mk2 3.6 racecar with the fueltech 550 that allows for every sensor to be used

[@jakekaye6545]

Smiths Euro is the vw wizard 🤘🏻🔥🤘🏻

[@nevercoolracing]

Awesome video, love the content!! Will this also apply to a mk4 afp vr6?

[@SmithsEuro]

This is made for the mk3 b3/b4 passat and corrado harness The mk4 harness is wired much differently and has drive by wire which microsquirt cant control. You would have to convert to a cable throttle and find the mk4 wires on your own to splice into. But theoretically it can work.

[@nevercoolracing]

@@SmithsEuro appreciate the reply brother, love the VW content. Keep it up!

[@ectmotorsports]

Do you by any chance have a pinout for the 42 pin OBD1 VR6 Engine connector?

[@SmithsEuro]

No best to grab a bentley manual and go through it, or look through all the old forums for them.

[@doctor_awks]

You mentioned the idle control being an issue. I'm looking at the OBD2 throttle body wiring and see it just has a 12v motor for idle control, what'd you end up doing?

[@SmithsEuro]

The motor is not a motor in idle sense. The oem motor only moves the tb about 5% I tried like hell to get it to work. No one has, not even the most reputable tuners. Best thing to do is add a throttle adjustment screw to the obd2 and forget it. That’s what I ended up doing and have had 0 issues sense. Ill be doing a start up file configuration video and show how to add the throttle adjustment screw

[@doctor_awks]

@@SmithsEuro did you post your maps anywhere?

[@SmithsEuro]

No, im planning to just do the startup video only. That way whoever watches can build their own map.

[@brandonb2985]

Really looking forward to the next videos regarding this topic, I'm about to buy a microsquirt and make an adapter harness to my obd1 corrado vr, just to get my feet wet with standalone.

[@SmithsEuro]

I have a video coming out on installing it in the car along with creating a startup file. But having issues making it look good enough on camera. The obd1 stuff is a little different I assume you have a distributor. “If you have 1.5 you’ll have a coilpack like obd2 cars which would be very similar to this setup”

[@brandonb2985]

@@SmithsEuro my corrado is a late 93, early coilpack, so it will be similar to the newer 12v cars. I'm moderately experienced with wiring, as I've swapped an mk4 afp 12v into my mk2 using all mk4 management, and I've recently made another mk4 adapter harness for a 3.2 to replace the 12v, much like your mk3 wiring you did with the 1.8t. With standalone the main thing I'm trying to research is resistance ranges, and pulse information using all factory sensors, with the exception of the map sensor. As well as fueling and ignition timing for first start.

[@SmithsEuro]

@@brandonb2985 the micro in limited but the settings youll be able to apply to most other units if you go with something else. trigger wheel only 60-2 80 degree offset (check with light after running) 10k shunt between the trigger +- pretty much all factory sensors will be close if not dead on tps has to be adjusted i think its inverted iat is close enough to leave injectors should come with specs if using oem 205cc and .80ms dead times to start adjust accordingly cam sensor not used,knocks not used

[@Everything8Valve]

Really informative. Nice vid

[@SmithsEuro]

Thanks for watching

[@Vdublove]

Awesome videos as always man LOVE IT!!! Keep up the badass content.

[@SmithsEuro]

😘

[@druspenz]

Gold content as usual my g. The microsquirt vs chip comparison will be done on the 12v setup or the 3.6? Cant remember what u said in the last vid. Im banking on that 3.6 base map 😅.

[@SmithsEuro]

Will be the green mk2 12v vr6 Chip tune then plug in the microsquirt to be as back to back as possible.

[@givox457]

I want to know the speed sensor signal

[@SmithsEuro]

It does not go to the ecu 3 wire 1 12v 2 direct to fuse box/speedo junction 3 ground

[@CarlosRodriguez-bl9vb]

Is the same pin out for the 4cyl?

[@SmithsEuro]

Similar but not the same. Best to get an mk3 specific bentley manual to compare.

[@CarlosRodriguez-bl9vb]

@@SmithsEuro thanks bud btw great content in the videos

[@SmithsEuro]

Appreciate you watching.

[@k.a.r.z3544]

can use a2resources for vr6 motronic ecu.

[@SmithsEuro]

Yea forgot to link it in. Many of the oe wires/pins are unused confusing some people. I have most of the a2 resource stuff printed out, great site Figured best way to have exact pins needed for the microsquirt.

[@k.a.r.z3544]

@@SmithsEuro nice vid. why did you micro.? hope u tune it a little richer as the back cylinders run leaner. I prefer using ms3extra as I am able to do individual cylinder trim. I'll soon try speedduino drop bear.

[@SmithsEuro]

Cheapest/best ecu seems to be the micro. I traded an intake for it a few years ago. I planned to leave it a little rich. I am all motor for now. I will be 12.5 to 12.8 Most hondas are making all motor power 13.2-13.5. I have the fueltech 550 for my mk1 And mk2 to better control everything, and add in more tech/safety at the same time.

[@k.a.r.z3544]

@@SmithsEuro nice. my aim is 13sec all motor. have a bottle to put on for emergency use. I'm in jamaica. 🇯🇲 no official meet is on at the moment so we street race on an abandoned air strip. toyotas n hondas use the bottle hard doing 12 n 11 sec. unprepared surface.

[@SmithsEuro]

I am running mine now while building the 3.6 jetta coupe. I was close to a 13 last year with slicks. I think the micro will get me there. Not stripping the golf due to other plans with it. Want to get mid 13 on full weight. Good to see you’re out there keeping the hondas honest lol. Youll get the 13’s. Idk how a vr will take nitrous, I haven’t seen any around here try. But sure itll help lol

[@houletuning7647]

Hey eurosmith Young guy can u link me up

[@hiemabedrog]

Hoyaa!!! If ever you're in Cape Town South Africa, hit me up, I'll buy you a beer!

[@SmithsEuro]

Will do lol

[@patrickpaulse2273]

I'll buy you a case....

[@SmithsEuro]

Keep them coming lol