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    What are you working on today?

    Working on a reseal on my sons 01 5.9.
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    Oil flush after head gasket replacement?

    We’re replacing the head gasket on my son’s 01 5.9 Cummins. Machine shop planed head, new guides, touched up the valves. Looking for an oil to run through to “flush” things out. I was thinking about Rotella T4 mostly based on price. Run it for a few hundred miles and then dump it a long with the...
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    Deutz F2L511D engine oil?

    Hey guys, we just picked up this sweet little Dynapac CC10 for my 15 year old to do a little lawn rolling on the side. I’m looking for oil specs and any info for a Deutz F2L511 air cooled diesel engine, specifically oil viscosity, capacity, and oil filter number. Thanks
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    Where are the Royal Purple 20-820s?

    Have the Royal Purple 20-820 been discontinued? They aren’t available anywhere. Im taking my last one off my 19 2500 6.4 and replacing it with an SRT filter. Also, has anyone done a comparison between the Royal Purple 20-820, the SRT, and the Ford Racing filter?
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    Comp oil replacement for automotive SAE20?

    I’ve got an old Curtis piston compressor that has been in light use (hobby shop) for at least 35 years. I’ve had it for 10 years, and it works like a top. I just drained out about 2 tablespoons of brown, cruddy, oil/water from the compressor. The recommended oil is “#20 automotive oil”. So...
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