K kfriel · Registered Joined Jul 20, 2002 · 348 Posts Discussion starter · #1 · Feb 27, 2003 Only show this user What is the correct way to test BBC heads, with air pressure or vacuum? Thanks
E engineguy · Registered Joined Aug 5, 2002 · 1,960 Posts #2 · Feb 28, 2003 Only show this user Depends on what you are checking. Valve seal is checked with vacuum, crackes are checked with air pressure in a water tank.
Depends on what you are checking. Valve seal is checked with vacuum, crackes are checked with air pressure in a water tank.
