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Northern Indiana | I agree with you.
$40 will go a long way towards an oil change.
But there is more to it than that.
What we are also looking for is a little more than oil life. Wear indicators like aluminum and iron.
Coolent is often identified by an elevated level of elements like sodium, potassium, or boron in the oil sample.
Fuel is also an indicator of potential problems.
There is much to learn from historical data and trends. Ten oil samples is $400. Engine failure and downtime is much more.
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Oil Change Interval
