oil pressure
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Junior User
Joined: Aug 2005
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oil pressure
For some reason i cannot search so i will just ask. I finally installed a oil pressure gage in my truck and I am getting around 40 during idle about 70 around 35mph. I didn't take it out on the highway to see my max. Do these numbers sound good. I also poured some rotello 15w-40 oil in the motor tonight. I don't know if I am crazy but the motor seems to run smoother now. thanks again for all the help you guys have given me.
Logistics Pro
Joined: Oct 2005
Posts: 3,785
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From: Mddl A MexCans
I just finished a stock build, went back in with my stock rockers after cleaning, tappet retouch. It is the same pretty much 42 @ idle 64 @ 1500/2 k rpm. I'd have to say your clearances are good to go me thinks...
Post Fiend
Joined: Jan 2003
Posts: 8,600
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From: Iowa
My 390 will run numbers very similar to that, when it's cold. As long as it doesn't go much above 70psi I wouldn't be worried. If it goes above 100psi you've probably got a problem with the oil pump bypass valve. If that sticks on a cold morning your oil pressure can go way high, causing problems.
But yeah, that sounds fine. See what it is when it's fully warmed up.
On the sound issue: Thicker oil will typically make 'em run quieter.
But yeah, that sounds fine. See what it is when it's fully warmed up.
On the sound issue: Thicker oil will typically make 'em run quieter.
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