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#98528 Feb 5, 9:20pm
Joined: Sep 2003
Posts: 49
Member
Member
Joined: Sep 2003
Posts: 49
How come boost gauges have numbers before zero?

Joined: Oct 2002
Posts: 2,667
ECelica Staff
ECelica Staff
Joined: Oct 2002
Posts: 2,667
A turbo-boost gauge has a vacuum half and a boost half, thereby being able to show either negative or positive pressure.

Joined: Nov 2003
Posts: 660
Senior Member
1995 Toyota Celica ST
Senior Member
1995 Toyota Celica ST
Joined: Nov 2003
Posts: 660
i knew a guy one that had the K&N typhoon CAI on his accord, and installed a boost gauge(with no negative numbers) and a vacum gauge and said he was getting like 3 PSI. i was just wandering even if he was why would he get a vacume gauge?

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2001 Toyota Celica GT
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