What standalone fuel management systems are commonly used with Toyota engines? Are there any that are better suited for use with Yota's or just get one and go?

Currently I am working on installing a 1994 1UZ FE out of a LS400 into my 1994 Toyota Pickup. I do not want to retain OEM ecu because I am using the OBX ITB's and I would also like to convert it to coil on plug since I have a ton of coils already from building motorcycles (including harnesses).

So far, the best option I have found that suits what I need is the F.A.S.T. XFI with dual wideband. It has seven inputs and outputs so I can work dash functions and stuff. It is a really nice unit, but I want to make sure it is the best option.

Would I be fine with the XFI or what would you go with?

I will be using the Quantum-Auto manual conversion kit, so no automatic trans will be used with the setup either.

 

There's always megasquirt. Can be made to fit any engine, ignition system, or fuel system. It's like linux though, you kind of have to know what you're doing and want to work on it. It's nowhere near typing lines of code, but EVERYTHING is adjustable and has to be adjusted.

I've had one sitting on the shelf entirely too long (got it, then moved into an apt for school, then into a house with no garage/small driveway, etc)

 

I have used Megasquirt in the past on some Honda builds and honestly, I don't like it. It is not finished or refined. It has absolutely no user interface and cannot do a lot of automated functions that developed standalone systems do.

It may be a cheap option, but the headache it gives you for the money savings just isn't worth it to me.

Especially when trying to tune an ITB'd engine.

 

I had a girlfriend in high school nicknamed "Megasquirt"...carry on.

 

Hahahahaha . That's all I needed .

 

really at this point when it comes to stand alones theres tones

the new mega squirt 3 is pretty good for cheep scale and next is micro tec lt16 then spart spending and get a hall tec motec ect

 

Isn't MS much more expandable?


and I heard OBX ITB's aren't the greatest via Lexus V8 forums.

 

it just not as jam packed with stuff like the newer stuff

you can not run coil on plug it does not have eghough channles

and would have to run batch fire

the newest mega quirt has alot of new things added and it does look go for it's price

and has a nice huge list of options now

and it's getting better and better as time moves on

 

I love my MS II and it has all the options I need and I'm at 415hp to the wheels @ 17psi! Nuff said!!!

 

Im a huge fan of megasquirt. Got a DIYPNP kit from diyautotune.com for my mk2 supra when I had the stock 5mge-NA-t got it going and running great (had converted to coil on plugs, and a map based air intake sensor vs the stock door/flap style air flow meter).

I will be reusing the ecu and just building a custom harness for my 2jz Swap into the same mk2.

I have a good friend using ms3 in his 500+hp 7mgte swapped mk2 supra, he also has the megashift auto tranny control unit aswell.

 

^ for example m3 pro control's knock and has trac-control and bunch of other stuff i may convert my car over but we will see

 

I have read over what MS3 has and it still lacks in areas where I want it to perform. I am after a good user interface with wideband and logging. I need to be able to street tune often because I will be experimenting a lot with this engine and trying to work out an Idle Air Control system with the OBX ITB's.

The main problem most people have the OBX units universally is idle issues and they are often not sync'd. A functioning IACV system and a good sync works wonders if you tune your engine using speed density.

 

another cheep option and works very well doe snot have all the bling bling to it is the mirco tec efi


only has one issue I do not like is the maps are stored in series to usb adptor

I have no air valve in my car and no do alot of rx7's


Microtech EFI