PDA

View Full Version : whats hg stand for



92sclikenew
10-27-2006, 01:21 PM
whats h/g stand for on the boost gage

TwoToneThunder
10-27-2006, 01:25 PM
mercury

its reading inches of mercury representing how much vaccum you have should be 18 at idle and as u accelerate it stops making vaccum and goes into boost

fturner
10-27-2006, 01:46 PM
whats h/g stand for on the boost gage

Its the indicated range where your head gaskets will be safe........ :D

Sorry, couldn't resist ;)

TwoToneThunder
10-27-2006, 01:56 PM
very true very true

92sclikenew
10-27-2006, 02:02 PM
im not dumb lol

fturner
10-27-2006, 10:05 PM
im not dumb lol

Wasn't implying anything like that dude... just saw a chance for a little humour :(

birds4us
10-27-2006, 10:13 PM
HG is the symbol for mercury. Vacuum is measured in inches of mercury. Hence IN/HG means inches of mercury.