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28 Psi? on LS2?

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Old Jan 17, 2008 | 01:50 AM
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Default 28 Psi? on LS2?

Car is my dads 05-06 C6 with 21k on the clock been running mobile in her since we got it new... oil pressure warm is running at about 28-30.. alittle worried.. although off idle at about 1,100 to 1,500 its up at 36-38 and I really havnt looked going WOT
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Old Jan 22, 2008 | 10:10 PM
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That seems REALLY high, especially for an LS2.
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Old Jan 22, 2008 | 10:11 PM
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Stock LS2? What's the specs on the setup?
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Old Jan 30, 2008 | 06:55 PM
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stock down to the filter..
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Old Jan 30, 2008 | 08:16 PM
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Sounds like he's running 5w/30 oil. Thats OK oil pressure but I'd switch to 10w/40 synthetic.
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Old Jan 30, 2008 | 08:37 PM
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A little on the low side... but it's O K !!!
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Old Jan 30, 2008 | 09:03 PM
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Sounds perfectly normal to me. I run Amsoil 5/30 and get about 30 at idle and high 50's at high rpm with my LS2. I can break out my GTO manual and quote you the spec, but hot at idle the min pressure is something like 15 psi.

Gerry
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Old Jan 30, 2008 | 10:25 PM
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Originally Posted by adam3566
That seems REALLY high, especially for an LS2.
You do understand this is oil pressure correct? Not boost...
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Old Jan 31, 2008 | 02:13 AM
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Originally Posted by Slowhawk
Sounds like he's running 5w/30 oil. Thats OK oil pressure but I'd switch to 10w/40 synthetic.
ya we are I believe I think we got some mobile 1 10/30 or 10/40 at our shop the car needs a oil change anyways will probably do it next week and see what it does
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