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I did not say that boost and vac were measured at the same TIME, just at the same place. During idle and cruising, the intake plenum is under vacuum, the cylinders are sucking the air in. During WOT, the intake plenum is under pressure (boost) as the turbos force air into the cylinders. The reading is taken from the plenum. You are correct in that boost and vacuum are the direct opposite of each other, but they do happen in the same place, just not at the same time.
Zee Ya,
Spencer
AIM: sbsTT14 '91 300ZX TT Stage III+
'96 Jeep Cherokee Sport 
"I felt like I was rear-ended by a highspeed train when I ran the car on high boost first time. Crazy...just crazy...." - timz 18:18:31 09/08/02 The Hyper is still uglier than my puckered butthole ;) - JRH(KY) 16:35:24 02/03/03 "Why does that always happen anyway? You [Mal1ce], me, Guapo, Genic, Loop, Nick, Spencer and Bernie need to set up a group buy for behavioral re-programing :) We have a problem I think." - JRH(KY) 17:54:38 11/22/02 |
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