3 Months or 3000 miles

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20 years ago I was doing 6 month changes and ended up with a big mess of sludge. Since then, it has been 3 months. The car may have 6000 by then, and the truck less than 1000.
 
The old 3,000 mile standard should be increased to 5,000 miles.

Engines, Fuel and Oil tech has all gotten better.
 
Originally Posted By: ZZman
The old 3,000 mile standard should be increased to 5,000 miles.

Engines, Fuel and Oil tech has all gotten better.


I agree 100%! I also think that the typical 3 month rule can be stretched out longer as well, to 6 months or even 1 year depending on the climate, driving habits and condition of the engine.
 
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