well we just got done installing a vac gauge on my buddy's oz. just wondering if anyone knows what reading it should be at. i think currently its reading at 7 hg ..... does this sound about right? the tubing got a little bent while installing, but replacing it will be no big deal if thats the case. i think my old integra read about 20 or so, thats why i'm asking. ahhhhh well, my buddy's happy with it, but i just wanna double check. any info is appreciated.

 

it depends on the gauge
they are not unlike boost gauges some read in bar

 

mine sits at -20 PSI at idle. as long as you're reading a vacuum at idle, you should be find

 

-20HG != -20 psi.

You SURE it's -20psi?

Mine idled at about 21hg which is the equivalent of approximately -10psi.

 

my BOOOST gauge reads at -20psi on idle.. but dont got no vaccuum gauge

 

Check it again. On the negative side it should say InHG. That is NOT PSI.

 

Hobie.. by chance, where did you connect it too? also is that reading with or without turbo? all he has is exhaust.... everything else it stock, so i'm wondering if that has anything to do with it. i guess i'm use to my integra reading at 20. i did have engine work done though. just seems different i guess.

 

mine reads -18 hg" or around there at idle

 

dammit andrew, it's cold outside and you made me go look and the stupid fine fine print does read Hg, not PSI. So I'm running -20 HG.

 

Betwixt the intake manifold and FPR on a T, my good man.

 

thanks for the help. i'll check it out next time i see him.

 

Anytime. If you can't find the vac line lemme know. It connects at the bottom of the plenum on the passenger side at one end and the on the FPR on the other. Just get a T from an auto parts store or something and you should be fine.