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Home > A-Series EFI / Injection > Speedunio


387 Posts
Member #: 442
Senior Member


Has anyone ever heard of or dealt with a speedunio unit before? Vert similar to MS/MJ uses the came code and tuner studio from what i can tell. For the money they don't look like bad units.
They are much cheaper and can be bought as a self assembly kit or what ever suits really.

Any thoughts?


Oh is where im looking.
It looks like a few people have fitted them to minis before when looking at the facebook forum.


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1564 Posts
Member #: 9038
Post Whore

Carlisle, Cumbria

i liked the idea of the DIY kit, are they capable of sequential injection?


773 Posts
Member #: 989
Post Whore

North Yorkshire

Sounds like it is probably an Arduino based unit. There is loads of info on Arduino on the net.

Rod S

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5889 Posts
Member #: 2024
Formally Retired

Rural Suffolk

It is Arduino based.

I built one two years ago just as a comparison to my usual MS2 because I was intrigued as to how it could use the TunerStudio interface (which obviously I'm well used to).

Yes, it's fully sequential if you want it to be but doesn't have any equivalent code to the MS2 siamese sequential so it can just deal with normal 8 port engines if you want true port injection.

For a wet manifold (electronic carb) just using multiple batch injection on a 5 port it would be fine, no different really to the SC setup except the Speeduino is much more DIY and hence a lot cheaper.

The other thing I like (apart from the TunerStudio interface) is it's proper "open source" (like Megasquirt used to be) so if you want to design/build your own board and just use the code, that's fine. Unlike Megasquirt where the licence now says you must use their own motherboard (over ten years obsolete) if you want to use their daughterboard.

Schrödinger's cat - so which one am I ???

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