454 Oil pressure question

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01-20-2011, 08:24 AM

#51

Monkeyron

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Join Date: May 2007

Location: Riverside, CA.

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Quote:

Originally Posted by almalare

I have (2)factory rebuilt 7.4LX MPI engines that are 2 years old and only have 150hrs on them.My pressures are identical to yours.I had to replace a piston recently and I had a look at the rod bearing.It was perfect ..like brand new.I was a little concerned as well with 10 psi idle and 40 psi at 4400RPM but maybe when the 10 psi/1000 RPM rule was invented oil was not as good as it is now and of course we have synthetic now

Well I had mad a few trips on the Motor with oil pressure @ 50-60 psi @4500 all day. Water temp won't hit 130 so I'm replacing the Stat before next trip. Anyway, the Guys that are running low pressure Beside Redstinger's near disaster, change out your Oil filter to the K & N HP-3002. I did and I picked up 20-25 psi.
Some of the Oil filters out there don't flow well enough for this Big Motor. I was using a short Mobil-1 filter. Forget the short filters, go long. More surface area.

Now for my next big Challenge, go from 2 MPG to 6 MPG. Offset with Plasma & Hydrogen.
M~R