I bought an 08 with 5.3 about 3 years ago. It had a collapsed lifter at 95k, but a ton of running hours. I deleted all the afm components and had the computer flashed. After I put it all back together, I figured I'd drive it a bit and change the oil as it had a recent dealer change on it. It had very low oil pressure. 6 or 7psi idle and less than 20 at highway speed when warm.
Long story short, getting rid of the Delco filter fixed it. 15 to 20 at idle and 35 to 40 on the highway for the last 25k miles. I used to think a Delco filter was as good as it get for my GM vehicles. It would be about the last filter I'd buy now.
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Today's Featured Article - A Belt Pulley? Really Doing Something? - by Chris Pratt. Belt Pulleys! Most of us conjure up a picture of a massive thresher with a wide belt lazily arching to a tractor 35 feet away throwing a cloud of dust, straw and grain, and while nostalgic, not too practical a method of using our tractors. While this may have been the bread and butter of the belt work in the past (since this is what made the money on many farms), the smaller tasks may have been and still can be its real claim to fame. The thresher would bring in the harvest (and income) once a y
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