# hellen72 a rusEFI board with a 72 pin connector. Works for a Mazda Miata NB2 or any generic 8 cylinder vehicle :) https://github.com/andreika-git/hellen-one https://github.com/rusefi/rusefi/wiki/Hellen72 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/Hellen72 # Compatible cases 89661-3T270 # Hardware M4 x 10mm will be good for NB external case and internal board to case for both NA and NB.