Supercharger Owners... where does your vaccum sit at idle?
01-26-2005, 08:42 PM
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Supercharger Owners... where does your vaccum sit at idle?
From what i've seen most S/C's sit around 20 inHg at idle.
Mine has ALWAYS sat pegged at 30 inHg at idle. Just curious if anyone else had a different reading other than 20 inHg and if there's a reason for the difference.
Mine has ALWAYS sat pegged at 30 inHg at idle. Just curious if anyone else had a different reading other than 20 inHg and if there's a reason for the difference.
01-26-2005, 11:17 PM
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Originally Posted by mrsteve
From what i've seen most S/C's sit around 20 inHg at idle.
Mine has ALWAYS sat pegged at 30 inHg at idle. Just curious if anyone else had a different reading other than 20 inHg and if there's a reason for the difference.
Mine has ALWAYS sat pegged at 30 inHg at idle. Just curious if anyone else had a different reading other than 20 inHg and if there's a reason for the difference.
01-27-2005, 05:47 AM
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No clue why mine is 30
01-27-2005, 08:04 AM
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Is it causing a problem? If not I wouldn't worry about it, may it's a good thing to pull a high vacuum at idle. This tells me that either your gauge is malfunctioning or you intake system is tight, no leaks 
.
.
01-27-2005, 11:00 AM
#7
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About 20 inHG at idle as well.
Are you talking about Fuel Pressure or Vaccum?
Originally Posted by Seattle Cl-S
I'm at about 20 at idle and about 30 just crusin' at 60mph. Blips over 100 at WOT.
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01-27-2005, 01:27 PM
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Originally Posted by Chaptorial
About 20 inHG at idle as well.
Are you talking about Fuel Pressure or Vaccum?
Are you talking about Fuel Pressure or Vaccum?
Ooops, sorry. I was talking FP. I sit at about 20inHG vacuum as well.
01-27-2005, 01:29 PM
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Originally Posted by Seattle Cl-S
Ooops, sorry. I was talking FP. I sit at about 20inHG vacuum as well.
01-27-2005, 06:49 PM
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I've had my S/C for 5 days now. 
At idle the vacuum rests at 20 and the FP rests at 35.
At idle the vacuum rests at 20 and the FP rests at 35.
01-28-2005, 11:05 AM
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30inHg is basically an absolute vacuum. There wouldn't be enough O2 at that, basically no O2 molecules, vacuum level to keep the car running.
It must be the gauge then.
It must be the gauge then.
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