FHS SmokeLess Regular Car Oil, 1 Quart, 4-Pack

SmokeLess for a standard used car with a worn engine that smokes heavily. Designed to bring new life, performance, and protection to an aging, worn engine. Manufactured from the finest ingredients to stop oil smoking, to reduce emissions, to give a cleaner, more environment-friendly, easier-to-sell vehicle. Results speak for themselves, FHS SmokeLess car oil has a 99.9% success rate of greatly reducing the smoke or stopping it all together. You need at least enough for an oil change. 5 to 8 quarts for most cars. If you’re not sure how much your car takes, consult your owners manual. Average for most cars: 4 cylinder – 5 quarts, 6 cylinder – 6 quarts, 8 cylinder – 5 to 8 quarts depending on the size of the engine.

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Drain the old oil out, change the oil filter, and fill up with FHS SmokeLess oil. Results should be almost immediate
If the car is still smoking, let it run for about 15 minutes. After 15 minutes your car should stop smoking as long as you use FHS SmokeLess oil
Note: Smokeless is an oil, not an additive. If you mix it with other oils you will get smoke
You also need to change the oil filter, as old oil can get trapped in the filter
Reduced odds of stopping smoke in diesel and turbos