I have never used manifold gauges or vacuum pump. But the rest of the install looks like something I can handle.
Would this work.
Air Vacuum Pump with R134A and R12 Connectors
Vacuum Pump - AC Vacuum Pump w/ R134A & R12 Connectors
how about these gauges?
Yellow Jacket 42001 Series 41 Manifold 3 1/8" Gauges: Amazon.com: Industrial & Scientific
how about this gauge or do you recommend a different gauge?
Fieldpiece SVG3 Digital Micron Gauge (Vacuum Gauge)
Fieldpiece SVG3 Easy View Vacuum Gauge - at the Test Equipment Depot