The gauge to the right of the TACHVAC is a dual needle gauge that taps directly into the line that comes from each each air bag forward to the valves. I can see the air pressure in each bag. What does this mean. I have no idea but it seemed like a good idea.
No portion of this page, text, images or code, may be copied, reproduced,
published or distributed in any medium without the expressed written permission
of the copyright holder.