The stock one is #70, so maybe a #72 or #75. I gotta say that it's unusual, most of the time the stock #70 is too rich and they need to go down. Are you certain you don't have any vacuum leaks anywhere? Does it go into low idle alright?
There's your lean burning situation right there. You have to loosen off all the bolts and turn the engine level in the frame. The little float is always going to float up in a level position because it isn't pinned to the bowl.
There's your lean burning situation right there. You have to loosen off all the bolts and turn the engine level in the frame. The little float is always going to float up in a level position because it isn't pinned to the bowl.