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Hi I'm Bob. My wife and I are the proud owners of a 1998 Discovery 1. Just picked it up last week. It has almost 170k. It needs lots of #TLC. We're starting with the dreaded #lowoilpressurelight. We've been reading and researching a ton. It has 25psi at 2500rpms at operating temp and 9psi at idle. We've started with a little #MMO then we are changing the oil and filter. Going with Rotella T 15W-40. We'll see how it goes.
We just ran MMO in the old oil then changed the oil to Rotella 15W-40 and used a K&N filter. Seems quieter but still has lifter noise. There's no water in the oil which is good and it's not overheating. We have to get a oil pressure gauge to see we here we're at now. The adventure begins