Safe engine internal oil sludge removal

Chip Johnson

Asked by Sep 18, 2016 at 07:10 PM about the 1983 Ford F-100

Question type: Maintenance & Repair

Oil gets dirty within 500 miles if I run High detergent oil S3
and quality filter can I change one or the other every 500 or do
I need to change both. Or???????

2 Answers

Tom Demyan

Do you have a sludge issue? Oil getting darker is normal, that is what the oil is supposed to do. Change every 5K with the filter.

2 out of 2 people think this is helpful.
Chip Johnson

I bought the truck in California and drove it back to Kansas City the oil was terrible so on the way back I drained the oil 5 or 6 times didn't change the filter too difficult on the road and it didn't seem to clean it up at all I'm convinced that there is serious Ledge in the engine but I could be wrong but maybe I should not oil have said dark oil it's really much worse than that looks like about an 12000 mile oil change on a regular car it does have the original Engine with 90000 miles on it I bought it from an Indian the lived on the reservation. never could find much evidence of service

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