Yes it holds vacuum. After sucking it down last night and letting it stabilize, I tried to charge it again. It started taking refrigerant (r134) then the low side went to negative again. That's what it was doing when I got back from driving it. I'm stumped.


"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.