*FHS SmokeLess Car Oil: PLEASE READ: 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 vehicle. Results speak for themselves, FHS SmokeLess car oil has over a 99.9% success rate of greatly reducing the smoke or stopping it all together. Instructions: Drain old oil out, change oil filter, and fill up with FHS SmokeLess oil. Results should be almost immediate. If 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 diesels and turbos.We only ship ups ground on this item no P.O.boxes at all we only ship to continental U.S.Payment must be made within 3 days or item will be relisted and ebay contacted unless you notify me We usually ship next day after we get payment except on weekends and holidays.