Hard to start initially - need to play with the gas pedal Options

[sfrenck]

74 Djet system on a 2.0L engine. When I start the car "cold", I have to play with the gas pedal for 10-20 seconds to keep it from stalling. Once I've got it going, everything seems to work as it should (idle is high until the AAR closes) and it drives fine. When in the idle circuit, adjusting the bypass screw and/or the ECU mixture knob do have affect on the engine and I have them set to idle "correctly".

If I turn it off and try to restart it, it starts right up. If it has sat for a bit after driving, it is difficult to start (again, have to play with the gas pedal).

Ideas? I thought initially it was my 3-port fuel pump (which is relocated to the front under the steering rack) but I prime the system by turning the key to the on position a couple times and it holds the fuel pressure at ~30 psi.

One more thing - I had this setup in my old blue car and it didn't have this problem (switched the mechanicals to the new roller).

Thanks in advance for any insight.