The K-Jet system (electronic or not) is a mass air flow sensing device. It isn't the most responsive, and required some help to give both low emissions and good drivability (the "pot" on the airflow meter for instance), and the electronic systems give better control. There is considerable lag between throttle opening and fuel delivery, and some rather troublesome restrictions on where the mass flow meter can be in relation to the throttle plate and the actual intake valves (serious resonance problems), and it isn't as accurate as the electronic systems. By the time you get the K-jet all strapped up and fiddled out, electric injectors are cheaper and easier.

Beats a carburetor six ways to sunday, though.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!