1998 ls1 low oil pressure - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

bill2129 · 05-26-2011, 02:15 AM

This had been bugging me. ill just explain whats going on. when i start up the car when its cold the pressure is a hair below 40psi. when its hot and driving around 45mph its at 35psi.. I was using castrol 5w-30 oil so then i changed it to castrol 10w-30 today and it's doing the same thing. I thought the thicker oil would help with the oil pressure. My dad keeps telling me its fine. he has a 99 trans am. But it never used to be like this.

qkslvr · 05-26-2011, 04:45 AM

I have a 99 TA as well, the factory guage is horrible. Mine does the same thing well kinda... start up to normal op temps a hair below 40psi cruising is a about 35 to 38 , WOT 50 to 60 ... for what I've seen this is pretty normal atleast on the factory guages

dmginc · 05-26-2011, 05:40 AM

oil pressure always drops some once engine is warm, normal.

Raven02TA · 05-26-2011, 06:04 AM

its normal. dont worry about it, its time to worry about it if it drops below 25.

CC Performance · 05-26-2011, 06:18 AM

agreed, sounds normal

bill2129 · 05-30-2011, 01:19 AM

well then. guess I dont have to worry. thanks (:

05-26-2011, 02:15 AM	#1
bill2129 Account Suspended Drives: 2085 Trans AM COBRA Join Date: Jan 2011 Location: Chester County PA Posts: 676	1998 ls1 low oil pressure This had been bugging me. ill just explain whats going on. when i start up the car when its cold the pressure is a hair below 40psi. when its hot and driving around 45mph its at 35psi.. I was using castrol 5w-30 oil so then i changed it to castrol 10w-30 today and it's doing the same thing. I thought the thicker oil would help with the oil pressure. My dad keeps telling me its fine. he has a 99 trans am. But it never used to be like this.

05-26-2011, 04:45 AM	#2
qkslvr Drives: 2010 ABM 1SS M6 NON RS Join Date: May 2010 Location: Rapid City, SD Posts: 669 View My Garage	I have a 99 TA as well, the factory guage is horrible. Mine does the same thing well kinda... start up to normal op temps a hair below 40psi cruising is a about 35 to 38 , WOT 50 to 60 ... for what I've seen this is pretty normal atleast on the factory guages __________________ 2010 Aqua Blue 1SS KWC 3pc forged, Seibon hood, ZL front end, MGW, ARH full exhaust w/ Doug Thorley axle back, BTR4, Roto-fab, LSXR 102, NW 102, 3.91s 2018 GMC Sierra (Stone Blue metallic) 2016 Streetglide (Crushed Ice Pearl) 2018 Indian Scout (Bronze Smoke)

05-26-2011, 06:04 AM	#4
Raven02TA Drives: 2002 Pontiac Transam. 2004 Tahoe, Join Date: Nov 2009 Location: Leesburg, Va Posts: 278	its normal. dont worry about it, its time to worry about it if it drops below 25. __________________ Raven 2002 Trans Am, 585rwhp/578rwtq

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05-26-2011, 05:40 AM	#3
dmginc Drives: In Circles Join Date: Mar 2011 Location: South Carolina Posts: 3,433 View My Garage	oil pressure always drops some once engine is warm, normal.

05-26-2011, 06:18 AM	#5
CC Performance Account Suspended Drives: 99 Camaro SS, 79 z28, 70 GTX Join Date: Oct 2009 Location: ST Helens, OR Posts: 1,759	agreed, sounds normal

05-30-2011, 01:19 AM	#6
bill2129 Account Suspended Drives: 2085 Trans AM COBRA Join Date: Jan 2011 Location: Chester County PA Posts: 676	well then. guess I dont have to worry. thanks (: