Originally Posted by dparker

Take the chips out and stall it up on the transbrake, see where it goes too. Usually on an eight inch converter, if your engine will idle fine in park it will idle in gear. Now if its starting to load up in park, you know its not the converter. You can check for a vacuum leak by putting your hand over the carb, it should pick up the idle. There is a number of things that will keep your engine from idling right. I just interupted that your engine idles fine when its not in gear and dies when you put it in gear.