High Mileage in a 1992 Chevy Silverado [SOLVED]

I have a 1992 Chevy Silverado V6. I have added Sea Foam High Mileage to my motor consistently. How much do you recommend I should be adding?

Should I add Sea Foam High Mileage to my oil? (I change my oil regularly).

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Jim D.
Jim D.
2 years ago

Hi Fernando – good question!

Here’s what I’d do:

  1. Add a full can of Sea Foam High Mileage to a low tank of fuel (1/8 a tank).
  2. Drive for about 20 minutes (just don’t run out of fuel!) before adding fresh fuel. This lets the Sea Foam mix work through the system and clean.
  3. Add fresh fuel and drive as usual.

The more Sea Foam you add to fuel, the better and faster it works to clean. It’s made from 100% safe petroleum ingredients, so you can safely add a high amount. That method is a really great way to get the most out of a can of High Mileage.

In oil, High Mileage will clean harmful crankcase residues that can restrict oil flow and cause oil burning. High Mileage will reliquify heavier sludge and oil deposits so the crud can drain away when you change your oil. Add 1 oz of High Mileage per quart of oil about 100-300 miles before your next oil change.

Keep an eye on the oil color and change it if it gets dark before your scheduled change.

If you’re still curious about what it does in oil, read a few of the reviews on the High Mileage product page: https://seafoamworks.com/product/high-mileage-motor-treatment/

Hope that helps!!