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The original Autolite carburetor just wasn't working out; the manual choke stayed on too long and was causing the engine to load up, the idle kept fluctuating, and it had a little hesitation in it off idle that I couldn't get out of it. Rather than keep wasting time and effort on the old carburetor my customer opted for a new Holley 600.
I've run Holley carbs for over thirty-five years and it ceases to amaze me at just how well they work right out of the box; I bolted the new carb on, hooked up the electric choke and vacuum hoses, modified the gas line, and filled the fuel bowls with gas. With one pump of the accelerator pedal and within about a half second of cranking the engine it fired up.
It initially ran at about 1400 RPM on fast idle - which I let it run there for about a minute. I tapped the accelerator pedal and the RPM dropped to around 900, and I let it run there for about another minute. When I tapped the accelerator pedal again, after the choke had completely opened, the engine died. I turned the idle screw clockwise one turn and fired it back up. I had to adjust it a little more to get it to idle at 600 RPM and I then adjusted the idle circuit (air-to-fuel mixture), which wasn't off by much. The new carb is just what the engine needed.
My customer decided that he wanted the dash painted black so I pulled the steering column and dash out of the car. It took a lot of time to disassemble everything but, like most everything else on this car, it needed to be done. The vacuum hoses, that operate the ventilation system, had fallen off the central control module. Half of the dash bulbs where burned out and the steering column is in poor condition.
All I can say is "job security".
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