wth

Alright, I'm baffled. This is on a Venture with a Vmax Engine in it (at least from the cylinder block up it is). It's running pig rich at idle and low rpms. Will run a couple days and then cabon fouls the plugs. I tried to adjust the idle fuel screws and discovered that they had no effect if...

OK, so I'm rebuilding a set of VMAX carbs. Actually, I have two sets, one that I'm rebuilding, and one I'm using for parts. Here's what's confusing me. One of the carb bodies has an "extra" port with the remnants of a rubber hose coming off the end of it, and I don't see this port on my 98...