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1999 Chevrolet Silverado with a 5.3. Almost 300,000 miles on…

1999 Chevrolet Silverado with a...
1999 Chevrolet Silverado with a 5.3. Almost 300,000 miles on it. What oil should I be using in the engine?
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Answered in 6 minutes by:
10/17/2017
Chris (aka-Moose)
Chris (aka-Moose), Technician
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You should be running the original oil required unless there are issues with the oil pressure not at specs.

5-30 is what it calls for. I would use a high mileage 5-30 oil on this engine.

Now that I have posted a partial or complete answer, you will see you can rate me. The deposit you have already paid is not transferred to me until you rate me. I would like to receive nothing less than 5 star excellent ratings. So if we are not there yet, please reply and let me help more. If you're not pleased, let me know because rating bad does not result in a refund, there are better options. Rating now will not close this post nor prevent replying. Thanks Chris

Chris (aka-Moose)
Chris (aka-Moose), Technician
Category: Chevy
Satisfied Customers: 52,671
Experience: 16 years of experience
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