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Old 10-15-2015, 11:18 AM   #224
FyeaFRS
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Quote:
Originally Posted by alexand3r View Post
Does your gauge show psi or in Hg for vacuum? Usually it's the latter, in which case 18-20 is okay.
PSI, looks like I made a similar post a long time ago in the vortech guages thread with the same question last time I did an install.
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