2.7 Fuel Injection Conversion on 74 911

[thunderroad]

I have a 1974 911 with a converted 1983 911sc engine. However, the fuel injection system appears to be from the 1974 engine. I am going to get the car fine tuned this winter in time for spring driving. However, I am beginning to wonder if this is even possible without upgrading the fuel injection system. Any thoughts would be appreciated. Happy New Year.