1990 300SE injectors
Are there any recommendations to when injectors should be replaced? Are there any particular signs to look for? Do the injector cleaners in a can work? and if so can it be connected to the MB 103 engine?
1969 RS/SS Camaro Conv. L-89 Alum. Head 396 375HP 4-spd
1987 GNX #419, 2002 RX300
FS: 1934 Ford Street Rod, Blown 383 $48,500 Firm