It's ran off the vacuum line that goes under the snout.
Originally Posted by Max Cook
Are you sure about that? When I was making **** boost (4-5ish lbs) because of a vac leak the guage would only go about halfway. Had nothing to do with my BBV. I thought it went off PSI it just only went up to like 7 or 8.
Eff you 3 character minimum
2001 Regal GS, PLOG, 3" DP, 1.9's/L76 springs. 21* of timing on a 3.4"