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01-24-2017, 08:10 AM
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#1 |
 
Drives: 2014 SS/RS White Convertible Join Date: Aug 2016
Location: Louisville, KY
Posts: 49
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Real stupid question on guage
I am wanting to put a vacuum/boost gauge on my car....
I am just unsure of what gauge to order the 20psi or the 30psi version. My question is when under max boost (my car is set at 6 pounds of boost) does the vacuum/boost gauge read 6 or 20.7 (14.7 atm + 6)??? As in does it read absolute pressure or only pressure over atmospheric |
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01-24-2017, 09:24 AM
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#2 |
          Drives: 2006 Z06 Join Date: Oct 2010
Location: Gilbert, AZ
Posts: 5,712
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Typically pressure over atmosphere. So if you are running 6psi I would run the 20psi version. Heck if you can find a 10psi gauge that would be even better.
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Nick
Corvette Z06 -1200ish rwhp |
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01-25-2017, 09:39 AM
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#3 |
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Drives: it changes Join Date: Nov 2010
Location: Norn Iron
Posts: 1,126
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Buy the 30....give yourself something to work towards for the future
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