Interesting 8 pin HEI issue
on the 5 pin (1980 Oldsmobile Toronado V8) the 5th pin gounded retards 5 degrees for starter (and can be used for a boost retard by wiring in a Hobbs NO pressure switch)
on the 5 pin (1980 Oldsmobile Toronado V8) the 5th pin gounded retards 5 degrees for starter (and can be used for a boost retard by wiring in a Hobbs NO pressure switch)