1993 Ford Escort Conventional oil versus synthetic oil

1993 FORD ESCORT
184,000 MILES • 4 CYL • FWD • AUTOMATIC
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LAZYGAZER
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  • 68 POSTS
What's your advise on using synthetic oil in this car that has had frequent oil and filter change at 184000 on the tach? Also i noticed on 2 occasions within 2 weeks on starting there is blue smoke comming from the pipe then it goes away. i havent seen it lately,could it be oil seals? Whats your take on that.
Norris
Apr 2, 2009 at 5:29 AM
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JAMES W.
  • ✓Experienced Mechanic
  • 2,394 POSTS
The blue smoke you're seeing is probably oil weeping past the valve seals and collecting on the valve heads or piston tops. With almost 200K on the engine, I would expect this as normal wear. Most Escorts didn't live long enough to see the kind of mileage you have. I commend you.
As far as chanding to a synthetic, you've gone this far with what you're using, I wouldn't switch now. Hope this helps
Apr 2, 2009 at 8:34 AM
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