Generation III Internal Engine 1997-2006 LS1 | LS6
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oil pressure observation.

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Old Apr 19, 2005 | 12:33 PM
  #1  
UNFAIR's Avatar
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From: las vegas, nv
Default oil pressure observation.

during the winter here (40's & 50's) my oil pressure was alwasys the same:


40psi hot idle
60psi hot acceleration

been this way since day one (note that i bought this car in Febuary 05.)

then temps got to the 90's here the other day and the Psi was off by about 10 across the board. 30ish hot idle, 50ish hot acceleration.

then we had a huge temp drop over the past couple of days and the psi was back to normal, 40/60.

should temperatures have this kind of affect on oil pressure? just wanted to make sure it wasn't my oil pump trying to give out on me. i've been watching it like a hawk and it's seemed fine, guess it just got my internal alarms going, hah.
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Old Apr 19, 2005 | 02:41 PM
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From: AL
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perfectly normal, the hotter the oil the thinner it gets.
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Old Apr 19, 2005 | 05:42 PM
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From: las vegas, nv
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Originally Posted by Armageddon
perfectly normal, the hotter the oil the thinner it gets.

cool man, thanks for taking the time to reply
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Old Apr 19, 2005 | 07:00 PM
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I have higher PSI when the LS1 is cold. winter almost scares me since I had the ported LS6 pump put in.

once the oil is at 190 degrees for a while, it seems better
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Old Apr 20, 2005 | 08:35 AM
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From: Frederickburg, VA
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Originally Posted by loudpipes
during the winter here (40's & 50's) my oil pressure was alwasys the same:


40psi hot idle
60psi hot acceleration

been this way since day one (note that i bought this car in Febuary 05.)

then temps got to the 90's here the other day and the Psi was off by about 10 across the board. 30ish hot idle, 50ish hot acceleration.

then we had a huge temp drop over the past couple of days and the psi was back to normal, 40/60.
I noticed the EXACT!!! same situation you just described above these past few days. Our temps have gone from mid 30/40's to 80/90's. I thought the same thing you did, is my pump going, cause I'm installing a cam in 3 weeks

Last edited by NVE THIS; Apr 20, 2005 at 08:42 AM.
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