a rusEFI board with a 72 pin connector. Works for a Mazda Miata NB2 or any generic 8 cylinder vehicle :)
We love https://github.com/thesourcerer8/altium2kicad
https://github.com/rusefi/rusefi/wiki/Mazda-Miata-2001
https://github.com/rusefi/rusefi/wiki/Mazda-Miata-2003
For photos see https://github.com/rusefi/rusefi/wiki/Hellen-NB2
89661-3T270
M4 x 10mm will be good for NB external case and internal board to case for both NA and NB.
Powered by https://github.com/andreika-git/hellen-one