Here's the Poop on the Petcocks
Looking at the two brass nipples that extrude from the petcock...the forward one is for the prime function, the rear one is for run and reserve. Looking at the front...the word 'fuel' that is embossed into the petcock handle should cover the desired function that stamped on the outter chrome ring on on the petcock. In other words, the handle will point down for run, up fro reserve, to the rear for prime, and forward is off.
Now if you are not using the octopus, then you can just cap off the forward nipple of the petcock. You don't need it. Fuel will flow in the run and reserve positions.
Axle, The petcocks on a Special are not vacuum controlled. You are correct with your answers.
Looking at the two brass nipples that extrude from the petcock...the forward one is for the prime function, the rear one is for run and reserve. Looking at the front...the word 'fuel' that is embossed into the petcock handle should cover the desired function that stamped on the outter chrome ring on on the petcock. In other words, the handle will point down for run, up fro reserve, to the rear for prime, and forward is off.
Now if you are not using the octopus, then you can just cap off the forward nipple of the petcock. You don't need it. Fuel will flow in the run and reserve positions.
Axle, The petcocks on a Special are not vacuum controlled. You are correct with your answers.
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