02-16-2021, 06:44 PM | #1 |
Drives: 16 Cadillac ATS A8 Join Date: Jan 2021
Location: NJ
Posts: 32
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Boost inHg/psi
What is considered a normal reading at idle for a boost inHg/psi gauge to read?
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02-16-2021, 07:32 PM | #2 |
Drives: 16 Cadillac ATS A8 Join Date: Jan 2021
Location: NJ
Posts: 32
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I am referring to a Aeroforce interceptor scan gauge.
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02-16-2021, 08:59 PM | #3 |
I dont use an aeroforce gauge, but my Prosport typically hangs around -18psi at startup, -22psi at warm idle. Peaks 27psi Tapped at the throttle body spacer.
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02-16-2021, 09:51 PM | #4 |
Drives: 16 Cadillac ATS A8 Join Date: Jan 2021
Location: NJ
Posts: 32
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https://www.dropbox.com/s/x3194jbo8c...91643.jpg?dl=0
Sorry, I still haven't figured out how to post a picture. |
02-17-2021, 09:29 AM | #5 |
Prosport gauge.. mine will hang around -16 to -18 mostly. But while driving will see between -25 to +27 pressure fluctuating. It think it will also depend on your tune, tap location, and ecu idle tables. My idle tables are set low so it gets a heavy vacuum reading.
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02-17-2021, 10:17 AM | #6 |
Drives: 16 Cadillac ATS A8 Join Date: Jan 2021
Location: NJ
Posts: 32
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Okay thank you for the info
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03-10-2021, 04:58 PM | #7 |
Drives: Chevy camaro Join Date: Jul 2019
Location: North Carolina
Posts: 192
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Generally its in vacuum in idle. General good vacuum should be between 17-22 in Hg
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