View Single Post
      11-04-2012, 03:10 PM   #10
Drives: '07 e92 AT Sport Montego Blue
Join Date: Sep 2011
Location: Portland, OR

Posts: 2,172
iTrader: (3)

+1 Great explanation.

OP next time try WIKI first.

Originally Posted by Ænema View Post
The term PSI is a bit misleading the way we colloquially use it. When we use the term "PSI" we're actually talking "PSIG"(manifold/charge pipe pressure with "0" being atmospheric pressure.)

Unless it is the Cobb guys talking in relation to Boost mean abs and Boost mean act, that's PSI. That's something I see people get confused about when looking at Cobb logs. They think 28psi means 28psig and that's not the case.
Wedge1967 is offline   United_States
Reply With Quote