[tfritz]

I found my ‘catch’ in the linkage problem (there was a slight bend) but it didn’t solve all of my problems. Now it won’t run under 2000rpm, I can feather the throttle to try and keep it running at most rpms between 2k and 900rpm. If I try to hold a steady throttle at any particular rpm in that range it either proceeds to die or the rpms climb rapidly until I stop them by letting off the gas completely at 3500rpm then the rpms fall and it proceeds to die again unless I feather the throttle. I can set the choke to hold the rpm at anything over 2k but if I try to go under it spits and sputters until I feather the throttle. Over 2k rpm with the choke or just using the gas pedal it runs good and smooth. I checked the spark plugs, cyl. 5 & 6 were wet, and all were worn so I replaced them. I cleaned out the distributor. I checked the timing, it is very close –I didn’t have a timing light, but I set it to TDC and the rotor pointed to plug wire #1. I have rebuilt the carburetor, changed out the bad gas, and run lots of sea foam and carb cleaner through it without any change. None of the adjustment screws seem to do anything. I left the idle mix screw alone as it was capped off and assumed it didn’t need adjusting if nobody changed it. Anybody have any ideas??? I am lost I spent most of the day working on it with little improvement I am frustrated to say the least.