Oil Special Decisions
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Joined: Nov 2016
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Oil Special Decisions
So I got a 1990 F150 with a inline six engine. If what the title says and the few years my father had it we figure it has 181,000 miles. It had 70 some thousand before and my father had it for around 8 years maybe. But besides that. I have been looking at Advanced Auto's oil change specials. Got Castrol GTX, Quaker State, and Havoline for conventional. I'm trying to figure out which do I even get. Does anyone have any advice on any of these brands? I haven't found any leaks either. I put so far 2500 miles since I got it and the oil on the dipstick is still in the full area. But I can say it isn't where it originally was when I changed the oil when I got the truck. After changing the oil I'm planning to keep a eye on it to see how much goes in how many miles.
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
These motors are built to run on oils in the 5w30-10w40 range with the lighter weight stuff for cold weather use.. below about 5deg C. I tried 0w30 once and it just made the motor noisy so that got swapped out pretty quickly.
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