Speeduino

[vilefly]

Well, I do agree that Speeduino is fun and flexible to mess with. There are limitations to it, unfortunately. I am setting mine up for a 4 cylinder, so there are no limitations for me. For those with 5 cylinders and up will have to settle for batch-fire injection and waste-spark ignition. It still is an awesome system, though. It even supports separate flex-fuel maps when you are running E85. It will even recognize the low-res optispark signal, and fire the single coil on the right edge.(select nissan-type optical pickup)

For a V8 with sequential injection and coil-on-plug, I suspect one could parallel (2) 2560 megas together and achieve that goal. Would require a custom carrier board, though. Maybe some tweaks to the firmware, too. I may attempt it sometime in the future just for fun.

[Mykk]

Last night I set up a programing bounty for Nitrous controls, the systems creator and another tuner responded and both started working on code for nitrous controls. Not finished yet but soon Speedy will have advanced nitrous controls:



...we already talked about it and he's going to add AFR limits so nitrous diasables above and below a programmable wideband AFR reading.

[Mykk]

There are limitations to it, unfortunately.

I do agree. But for all intents and purposes it can handle just about everything a DIY automotive enthusiast could ask for. I don't view batch fire and waste spark as a downside, rather I should say that we wouldn't feel a performance difference between sequential and waste spark. Just slightly less fuel consumption during low load with sequential to meet emissions and higher service interval for spark plugs (The reason sequential was implemented in the first place).

[Mykk]

BTW, with boost capability and easy user interface & tuning I started cooking something up in the shop to take advantage of the system:














I want to experiment with the IMAP/EMAP tuning once this guy is finished and installed.

[Chewy1576]

This is awesome. I'm currently building an Arduino-based VGT controller for my GM 6.5L Diesel. After reading this, I think I will attempt to build a Speeduino for a TBI fed 383 I have in another truck.

[xcookpac]

Any news/updates on Speeduino?