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#1
04-29-2004, 07:57 PM
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Oil Pressure
I just changed my oil in my 2004 Silverado for the first time, to Mobil1 5w-30. I have noticed that the oil pressure now seems to stay around 40-60 psi and jump up to around 70 when accelerating hard is this normal?
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#3
04-30-2004, 10:10 AM
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Re: Oil Pressure
Which engine do you have? I have the 8.1 and recently changed my oil for the first time and put in 10W-30 Valvoline. My pressure runs at around 45 at crusing speed and drops to around 25 at idle. I don't know if this is normal or not.
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#4
04-30-2004, 10:16 AM
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Re: Oil Pressure
I have a 99 5.3 w 90K and i use Valvoline 5w30 and my pressure is about 40 -50 idling, and 60-65 cruising
__________________
1998 ECSB Z71
Whelen LED's Kenwood 2-way "BIG 3" 2500+ watt audio 
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#5
04-30-2004, 11:47 AM
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Re: Oil Pressure
Here are the specs straight from GM
Lubrication System Oil Capacity - Without Filter 5.7L 6.0 Qts Oil Pressure - Minimum 34 kPa @ 1,000 RPM 5 psi @ 1,000 RPM Oil Pressure - Minimum 69 kPa @ 2,000 RPM 10 psi @ 2,000 RPM
__________________
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