The tach should be called out on the fender tag because it required a hole punched in the firewall.It would be there to tell the guys in the sheet metal shop to punch the hole in the firewall.

1970 Dodge Charger R/T S.E. 1969 Dodge Dart GTS 440 M-Code 1970 Dodge Charger 500 383/4-speed w/A.C.