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Old Feb 27, 2010 | 08:53 PM
  #17 (permalink)  
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maclovinX
Joined: Apr 2008
Posts: 137
Likes: 2
From: Cincinnati, OH
Default Re: Automakers: Oil Lasts Longer

My son is driving my old 99 Ford Expedition with 180,000 miles to date and it's running great (Hope I don't Jinx it!). The vehicle was a company car and they only permitted changes at 5000 miles with conventional oil.
I'm changing the X-fire at the recommended intervals, but I'm a little concerned because I don't like it sitting over the winter without a change; however, is that the old mindset?
I have heard the Semis running synthetics will spin the filters off and just top up the oil. Not sure how many miles they go before a complete change, but it make sense. The contaminants should be in the filter; right!
 
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