Making a combination stud with 7/16 thread and 5/16 thread. The Bosch knock sensor will fit on the smaller end.
ready to install
J&S Bosch sensor is the closest on the combination stud. The center sensor is a GM resonant type that is for the MSD alert. The rear sensor is also a Bosch for the Knocksense interface to Megasquirt. Torqued the sensor mount nut to 140 inch/lbs.
Links Knocksense MSD Knock alert J&S Safeguard
Starting the install of the safeguard with the monitor
Fits in the radio's vacated hole. Blank gage on the right is an Innovate LC-1 wideband O2 display interfaced with Megasquirt. Center LED is the Knocksense indicator which interfaces with Megasquirt. Small LED in the right corner is steady on when the wideband has a good quality signal.
Safeguard box yet to be installed. Safeguard is a standalone knock controller. J&S Safeguard link