> Brian Baker wrote: > > pulled vac to 26 inches for about an hour.
That seems a bit weak. Were you using a venturi pump or piston pump? If you closed the valve to the pump, would the system hold vacuum, or would air leak in?
> Brian Baker wrote: > > pulled vac to 26 inches for about an hour.
That seems a bit weak. Were you using a venturi pump or piston pump? If you closed the valve to the pump, would the system hold vacuum, or would air leak in?