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Old 03-14-2013, 07:36 PM   #25
sonic656
 
Drives: 2012 Toyota FJ Cruiser
Join Date: Oct 2012
Location: Newnan,GA
Posts: 156
Quote:
Originally Posted by DrkPhx View Post
Good point. I didn't see the negative by the lower 12. Mine start at 30 in hg and goes to 15 psi for boost. Though I did set up a pid in my scan tool to log boost (only in psi) and it shows a negative boost number in psi at idle even though it's technically not negative boost.

Ya I mean there is a formula to figure out what "negative" PSI would be in vacuum terms(inHg) but -12 is only like 5 or 6inHg. Its probably just there as a place holder for bigger things to come. Im just looking into it too much probably hahaha
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