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Good stuff - thanks all! Yea, I'm a big fan of the large oil capacity. I notice a big difference in my engines and suspension with larger oil capacity. I'm probably going to stick with 5w30 after reading more about it in high mileage / older engines. I'm liking what I have been reading about...

doing some additional reading - it sems that many folks seem to think the thicker oil may cause some issues in and engine spec'd for thinner oil?

i understand that 0w-40 is a more heat versatile oil... but does that come at an expense? for example - does 0w-40 provide better protection at temperature extremes vs 5w30 but less protection at a middle engine temp? As you know - Here in Colorado - it rarely gets really cold (i used to live...

Hello! I've been a lurker for some time... been trying to find a similar question and answer/ but came up short in terms of satisfactory answers. I've got a 2006 Land Rover LR3 - 167,000 miles. 4.4l Jaguar engine. I live at 5600 feet, play at 6000-11000 feet of elevation. I'm looking for OIL/...