Re: {Chrysler 300} 2903S geometry quiz

I'll try to make this short, but complete.

Referring to page 24 of the fuel system section Group 14 of the 1960 Chrysler manual on the 2903S carb adjustments, section 23, carb adjustments, part 'a' Fast idle adjustment, paragraph 2, reference figure 34.

If I make the adjustment of the fast idle connector rod to make the fast idle adjusting screw line up with the index mark on the cam when the choke valve is closed, then the adjusting screw never leaves the cam when I put the choke valve in the wide open (vertical) position. The idle never comes down to just being controlled by just the air bleed screws. If I adjust the rod so that the screw falls off the cam when the choke is wide open, it will not line up with the index mark when the choke is closed. Is the screw supposed to stay on the cam all the time? I do not think so. It's called a 'fast idle' cam for a reason, right? I can't seem to get enough range on the movement of the cam from moving the choke valve from full closed to full open to get the fast idle screw off the cam when the choke is wide open and also line up with the index mark when fully closed.

I'm defaulting to making sure the fast idle screw is not touching the fast idle cam when the choke valve is vertical/wide open, and just living with the fact that the screw does not align with the index mark when closed, and just adjust the screw to get the fast idle speed on cold start that works for the car. Am I missing something?

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