Update: sold to a fellow motobricker, Vannatta20. He will continue the project on a K1004v.
I'm planning to sell the megasquirt system on my K75, and take it back to stock. I need to focus onto getting into medical school, and won't have time to futz with it in the future.
I typed up a longer description and then it got deleted. I'll update this more in a bit.
The setup is mostly bolt-on for the K75, and can be done in a day or so. I have some circuit boards that can make it a little more "finished looking" in the brain box, than the current airwire and perfboard setup. I'll assemble one for anyone who buys this, and can provide installation help in the San Francisco bay area. Either way, I will provide what tech support I can in the future, and most of what you will need is well documented on msextra.com.
Performance wise, it is mainly better throttle response, and a bit more power, especially at low rpm. You no longer need the AFM.
You will need to weld in an oxygen sensor bung to the headers. I can also trade my headers with the bung for yours.
A quick list of what will be included and approximate costs new:
Currently in Use:
Microsquirt Module ($235)
SLC-OEM Wideband Oxygen Sensor controller ($50)
Bosch LSU 4.2 oxygen sensor ($50)
Proportional TPS (20)
Manifold Air Pressure sensor ($15)
Manifold Air Temp Sensor ($15)
O2 sensor bung and welding ($50) -exchanged for your unmodified headers
Barometric Pressure sensor (15 dollars)
Electronics enclosure, Harness with all connectors (50 dollars or so of parts, wire, connectors, etc)
Software to datalog and tune (automatically as well) ($70)
Spare parts for future projects:
A 50 mm MAF sensor, generic version of a Bosch. Could be used for very accurate air metering with less restriction than the stock one. Still would require the megasquirt to make it work. ($50)
A threaded body hall sensor, to be used to add ignition control to the system. ($35)
This Would require a toothed wheel, adapter, and a housing to replace the stock timing wheel cover. I have a 3d printable design for the housing, as well as a design for the other parts that could be ordered from a waterjet fab house and the other part made on a drill press.
Printed Circuit boards for a cleaner build (10)
-Components for this will be between 10 and 50 dollars depending on which features you want (Bluetooth, screw-type terminal blocks vs soldered in wires, Onboard barometric pressure sensor, etc). Assembly is included if you buy the parts, I like soldering. I'll give you the circuit diagram and such too.
Hours and hours and hours of work playing with this. (Priceless)
I'd like to get $350 or so for all of this, including help with installation. I'd be open to trades, partial or full. If you aren't interested in the Hall sensor or MAF, I can knock the price down a bit. If you are interested in doing the ignition control, I can arrange to get the components made reasonably as well.
