LS3 oil pressure

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Mar 28, 2011 | 08:48 PM

sammy burks

Thread Starter

Safety Car

Joined: Jan 2008

Posts: 4,071

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From: springfield mo

LS3 oil pressure

What is the normal oil pressure on the LS3 THANKS

Mar 28, 2011 | 09:29 PM

rbrcs

Disabled by request 27 March 2026

Joined: Mar 2008

Posts: 347

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From: Pearl River La

I have a 08 coupe and it runs around 40.

Mar 28, 2011 | 10:11 PM

AtomicLS3

Instructor

Joined: Mar 2011

Posts: 155

Likes: 1

From: Miami Florida

Depends on the engine rpm. Normal cruising is around 40.

Mar 29, 2011 | 12:17 AM

Mike's LS3

Safety Car

Joined: Nov 2007

Posts: 4,433

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From: Bay Area CA

I have an 08 and 40 psi is normal at cruising.

Mar 29, 2011 | 05:23 AM

BSSN

Le Mans Master

Joined: Dec 2009

Posts: 5,709

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From: Midwest

at idle, warm temp?

Mar 29, 2011 | 09:31 AM

haljensen

Race Director

Joined: Mar 2005

Posts: 10,399

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From: Austin Texas

28-30 PSI hot idle.

Oct 18, 2013 | 05:33 PM

AFflyer

Instructor

Joined: Feb 2006

Posts: 142

Likes: 0

From: Midlothian, TX

Would 55 psi be high while driving a curvy road but not aggressively driving? My car smells like its burning oil but all indications are that its operating normally. Oil is not low and all temps are OK.

Oct 19, 2013 | 11:37 PM

Thunder8

Racer

Joined: Nov 2010

Posts: 303

Likes: 4

From: San Jose CA

Quote:

Originally Posted by haljensen

28-30 PSI hot idle.

That's exactly what mine runs using: M1 5W-30 with almost 50K on the clock and fully warmed up, even in 100* weather...I live in AZ.

The other person didn't say any of the particulars, but I think they do make some difference.

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Oct 21, 2013 | 07:13 AM

Seadawg

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Joined: Nov 2006

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Depends on if the engine is a dry sump, like on some of the Grand Sports. When cold, mine pegs the needle at 80+ psi, then runs about 50 - 60 psi crusing when when warmed up. The wet sumps will run much lower.

Oct 21, 2013 | 10:31 AM

#10

Gabbiani

Racer

Joined: Feb 2008

Posts: 326

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From: Norman OK

Wet sump ls3 is pretty low compared to previous Chevy engines. A hair under 30 at hot idle is pretty normal. I have seen some cars get down in the teens on a road course with crazy oil temps.

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