Mike
914 is in a Bush Caddy , carb float bowl gasket is carton type , i m installing new bowls with o ring ,when the pins are bent and the case is distort it can also seep gas out of it ,im putting all the chance on my side.
i will calibrate them with my carbmate wich work great ,usually i was calibrating at 3000 rpm ,but this time i ll try it 3500 - 4000 rpm , like a discution was about in this forum
this is a good forum for all of us
in what is your 914 in?