Oil PSI at idle... - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 05-07-2012, 08:55 PM   eBay Motors  #1 (permalink)
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Oil PSI at idle...

Not necessary limited to lb7's , but i was just wondering what you guys are seeing on your oil pressure at idle and crusing after your truck warms up. I have 198k on my lb7 and at a stoplight for instance with truck at operating temp of around 170 my insite shows 10/11 pounds of oil psi. does that sound right? while crusing i usually get around 30...
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Old 05-07-2012, 09:02 PM   eBay Motors  #2 (permalink)
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my lb7 at idle is around yours but 60 psi cruisin at 65
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Old 05-07-2012, 09:48 PM   eBay Motors  #3 (permalink)
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30 at idle, 60 at 2000 rpm......160k
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Old 05-07-2012, 10:01 PM   eBay Motors  #4 (permalink)
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Ill check mine tomorrow... I have 190,xxx on mine. WIll post back tomorrow...
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Old 05-07-2012, 10:13 PM   eBay Motors  #5 (permalink)
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Low oil press on guage normal at idle. Or seems to be the norm. anyway
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Old 05-07-2012, 10:17 PM   eBay Motors  #6 (permalink)
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My old Lbz ran around 25 ish at idle
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Old 05-07-2012, 10:17 PM   eBay Motors  #7 (permalink)
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Yeah it's normal I asked the same question not to long ago mine is close to 0 lol
Low Oil pressure?
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Old 05-07-2012, 11:56 PM   eBay Motors  #8 (permalink)
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Mine runs around 60 psi cruise and macs the gauge out at wot
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Old 05-08-2012, 09:29 AM   eBay Motors  #9 (permalink)
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I think mine is more around 20 psi at idle.
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Old 05-08-2012, 09:33 AM   eBay Motors  #10 (permalink)
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20 psi at idle, 60psi on the road. 135,000 miles on it.
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