the "S" cams 2.7 1977 are same RS-S cams?

[dan67]

the "S" cams 2.7 1977 are same RS 73 or "S"69-73 cams?
thanks!
danilo
italy

[Bill Verburg]

Originally Posted by dan67

the "S" cams 2.7 1977 are same RS 73 or "S"69-73 cams?
thanks!
danilo
italy

There were several different 2.7 engines offered in '77
911/81
911/86
911/85
911/90
911/94
911/99
911/83

The only one that used the "S" cams that have the same specs as the '73 RS & '69-73 S is the 911/83. All the others used the same smog cams w/ less lift and less duration