I have been slowly working through getting the old girl running and am having some luck. This is my first time doing any of this aside from simple stuff like oil changes and rotating tires so am trying to learn all I can. When I got the truck, it wouldn't start without a fight. New plugs, checking the points gap and dist cap followed by resetting the A/F pin on the carb to 1 1/2 turns had it starting like a champ.
The next problem was that if I took off the choke at all the engine would die. I purchased a Rochester B rebuild kit and had at 'er, cleaned and rebuilt my first carb. I followed the instructions, set the float and as far as I know its assembled properly. The truck starts, warms up and I can close the choke. It was running rough so I hooked up a vacuum gauge and ran the screw out maybe 1/2 turn and was getting around 21-22 on the gauge. Its at least in the 'normal' range.
Since I rebuilt the carb (not sure if it did this before I rebuilt it as it was a chore just to keep it running) it stalls/chokes out when giving lots of throttle. If I feather the throttle and raise the RPM gently its fine but if I stomp on it it starts to die. I have to feather to get it back. I can gently increase throttle fine but at any point in the range if I step on it RPM's drop. I sprayed ether around the manifold and carb and did not detect any noticeable RPM increase.
I noticed a sound like a gorilla trying to suck air through a straw when pressing on the throttle aggressively. To me it sounded like it was coming from the oil fill cap, my wife thought it was coming from the air filter (Oil Bath). I tightened down the nut on the filter and that seemed to lessen the sound and its slightly more responsive. Is this normal or could this be part of my issue?
All of this is done on my driveway, I have only taken it around the block once, before the carb rebuild and it was a truly impressive experience, felt like I was on a horse trying to buck me off. Its much smoother now going back and forth to the garage and I hope to have a better experience going around the block soon... Does anyone have any ideas about the throttle response being to shutdown when I step down on the pedal?
