INTERNAL ENGINE MODIFICATIONS Valvetrain |Heads | Strokers | Design | Assembly

Quick Oil Pressure ?

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Old 03-14-2006, 12:00 PM
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Default Quick Oil Pressure ?

Just got an 03 RCSB Silverrado z71. 5.3

I've had my 2000 SS camaro for a while.. its oil pressure used to be right at 40 at idle.. and 60 ish around WOT.

With this truck my oil pressure at idle drops all the way down to 30-35 at idle... with 10w30 and it pegs 80 under WOT. Normal cruising at 1900-2k rpms is 50-55.

Normal? Should I be worried?
Old 03-14-2006, 07:19 PM
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My 01 6.0l is the same way. Its been like since day one. I noticed it and asked around everyone said its ok. Ive been running the blower for awhile and no problems but well see what experts say...
Old 03-14-2006, 08:54 PM
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Its still under spec according to gm.
Old 03-15-2006, 12:41 PM
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What are the specs according to GM?
Old 03-18-2006, 09:41 AM
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Originally Posted by j's01silverado
What are the specs according to GM?
From what I've heard 10 lbs per every 1k rpm.
Old 03-18-2006, 11:54 AM
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Originally Posted by ineedashortblock
From what I've heard 10 lbs per every 1k rpm.
Same here. My ZR2 (4.3L) always showed much lower oil pressure than my Sierra, but it was always within spec.
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