Generation III Internal Engine 1997-2006 LS1 | LS6
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Old Feb 25, 2007 | 07:07 PM
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Default oil pressure

what are your oil psi numbers at idle and crusing. thanks
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Old Feb 25, 2007 | 08:09 PM
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about 150 i beleive. all stock
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Old Feb 25, 2007 | 09:30 PM
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Originally Posted by buellxb12s
about 150 i beleive. all stock
There's no way thats right, the guage maxes out at 80 anyway.

With my ported LS6 pump, mine sits at about 45psi at idle, and around 60psi while cruising.
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Old Feb 25, 2007 | 09:54 PM
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im at around 40psi idle and maybe a lil more cruisn depending on rpm and if im gettin on it....
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Old Feb 26, 2007 | 12:44 AM
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Just at 40psi idling hot 60 psi on cold starts. Once warm the psi will hit 60 when I get on it. Stock pump from a 98 ls1 running Mobile 1 Syn 0w-40.
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Old Feb 26, 2007 | 03:21 AM
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just a **** hair above 40 at warm idle, around 65-70 when under load and about 50-60 crusing in 6th at 65MPH. 1998 stock pump, stock gears and GC 0W30.
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Old Feb 26, 2007 | 06:30 AM
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Maxed out on cold starts. Cruising it sits around 65 to 70.
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Old Feb 26, 2007 | 06:41 AM
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sweet sounds good mine is right around there thanks guys
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Old Feb 26, 2007 | 09:47 AM
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I have a 99' LS1 (not sure of the miles) with a new stock LS6 pump (not ported).. 60 psi at warm idle and 80+ when starup, cold or High RPM's..
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Old Feb 26, 2007 | 11:26 AM
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Just installed my pump yesterday and when I crank the car it was at 75 at idle.
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