- Thread starter
- #91
Good info on the focus. Any concern though about the Euro spec oil in the 2.3l, considering the direct injection and propensity for valve deposits? Not saying I would, I just don't know much about Euro spec oil and if there has been any issues with it.Ecoboosts are hard on oil. 7500-10K is WAY too long even with a good synthetic. Used oil analysis on these engines show 5W-30 shearing to 15W or lower after longer oil change intervals. For peace of mind, I strongly recommend using a full synthetic 5W-30 and changing it every 5K miles with a Motorcraft or other quality filter (hint, don’t ever run a Fram on these or anything you care about).
I’m personally going to run Pennzoil Ultra Euro 5W-40 in my 2.3 Bronco and change the oil/filter every 6K. Rotate the tires every 3K. Easy to remember. Same oil that’s going to be in my JL Rubicon Ecodiesel as well. Same oil change interval/tire rotation schedule planned for that vehicle too. Fresh air filters are also important to keep grit from going through the turbos. Change the air filter every 25-30K tops if it’s your daily driver and change them more frequently if you’re in dusty conditions a lot. Spark plugs every 30K is wise as well.
The Focus RS 2.3 owner’s manual specs 5W-30 for daily driving and 15W-50 for track use. I’m going to be driving my Bronco in a...spirited manner regularly so I figure 5W-40 is a good compromise.
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