Synthetic or Conventional Oil?

5

Asked by dg2007 Nov 24, 2015 at 11:47 AM about the 2005 Ford Escape XLT AWD

Question type: Maintenance & Repair

I have a 2005 Ford Escape V6 AWD with 125,000 miles.  Have been using conventional oil, but wondered if I should change to synthetic.

7 Answers

The conventional wisdom is that going to synthetic on a high mile car could cause problems with dirt in the engine being cleaned out by the higher levels of detergents in the synthetic oil and possibly harming the engine. If you changed your oil every 3,000 miles and the inside of your engine is pretty clean I don't see any harm in it. I would use a top grade filter and change the oil at 3,000 miles the first time you run synthetic though. Every 5,000 miles after that.

1 people found this helpful.
86,775

Full_of_Regrets, my mechanic would not agree with you about switching to synthetic oil, you can do this anytime, and, it's always advisable to keep up with regular oil changes.

86,775

The biggest benefit of synthetic oil is that it can withstand much higher temperatures without breaking down, giving lubrication to the whole system. At least, that's what I've been told.

30

Use it!!!! Geez it's not rocket science. 5k max changes. 7k max. I have gone 8k on my Audi with 230k miles on it. Still fairly clean. I dont burn or leak a drop of oil.

1 people found this helpful.

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