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Forced Induction Forum Sponsored by Active Autowerke
Discuss supercharging, turbocharging and even nitrous and water injection here.
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Old 02-13-2014, 06:43 AM   #1
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Join Date: Jun 2009
Location: Panama City, Panama
Posts: 318
My Ride: e39, m52tub30
ESS T2+ Vacuum readings

hi, I have a question about vacuum readings in my new setup....
first Im just install the ESS T2+ supercharger without the FI Supercharger camshaft (248 intake/256 exhaust), and my Vacuum reading was around 15~16, now I install the Schricks Camshaft for Supercharger (248 intake/256 exhaust), and my vacuum values drop to 12.... its normal?, what are suppose to be a good vacuum values with this setup?


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Old 03-05-2014, 11:58 PM   #2
lab rat
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Join Date: Apr 2010
Location: Vancouver
Posts: 2,138
My Ride: '02 330iT
My readings were always around -12 at idle (stock cam). But I have been chasing a vacuum leak for couple of years now so I'm really curious what other people get at idle.
Because sleeper.
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Old 03-25-2014, 10:38 PM   #3
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Location: Melbourne, Australia
Posts: 1,079
My Ride: 2004 330ci Msport
Mines at 20 in-hg at idle, engine warm.
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