No, Rislone Engine Treatment is formulated to be left safely in the crankcase for the life of the oil change for maximum performance. It is not an engine flush and does not require draining.

Yes, Rislone works with all petroleum-based motor oils including conventional, high mileage and synthetic. Rislone is also safe for use with PTFE-based engine treatments and will not alter the PTFE coating. See similar questions...

One bottle of 100QR Rislone Engine Treatment 1 quart (32 oz.) is designed to treat 4 to 6 quarts of oil, this allows you to replace a quart of motor oil at oil change time. You can also use it to "top off" your system between oil changes. See similar questions...

Rislone Engine Treatment gradually dissolves and removes harmful deposits of varnish, sludge and gum from the internal metal parts without plugging oil passages. These deposits form within engines and can alter tolerances, stick valves and rings, cause noisy valves and lifters, and plug oil screens and passages. Regular use of Rislone Engine Treatment, with oil and filter changes at the proper intervals, will keep such deposits to a minimum. See similar questions...

Yes, Rislone Engine Treatment has the lubricating and protective capabilities of current motor oils, plus additional penetrating properties which do a superior job of maintaining long-term cleanliness and deposit control. Use of Rislone Engine Treatment will not void your new car warranty. See similar questions...

Engine Flush may not be compatible with some wet clutch systems, and the generally small oil capacities of motorcycles can easily allow over-dilution of the oil. Therefore we do NOT recommend the use of engine flush for motorcycle applications. Top See similar questions...

Many old engines show signs of oil burning. Tufoil can help in some cases by freeing up partially sticking piston rings. There have been some dramatic improvements reported from the field where Tufoil freed up the rings and they started working properly again. However If the rings are cemented solid in their grooves or the cylinder is scored, no lubricant can eliminate the smoking. See similar questions...

These claims relate to all typical consumer driving conditions, excluding those mentioned below. In other words, if you drive under normal conditions and use Mobil 1 Extended Performance in your vehicle, the oil is guaranteed to protect your engine for 15,000 miles. We also recommend that drivers consult their owner’s manual while their vehicle is under warranty, and follow the guidelines set forth there. See similar questions...

No, Rislone Compression Repair is designed to only be used with conventional 4 stroke automobile engines. See similar questions...

A - It really depends on what you want. Both are the same. But PetroMoly? Oil Treatment is concentrated, and can be added to your favorite brand of motor oil. PetroMoly? Engine oil is blended by us, using the very best base oil and detergent package available, but it requires an oil change. See similar questions...

A State Health Department document, widely circulated by schools recommends olive oil as a 'safe and effective way to kill head lice'. It is applied generously to the hair and left on for 8 hours or overnight, on 7 days in a 21 day period. This recommendation is presumably based on its supposed effect as a suffocating agent, or as an aid to nit-combing by lubricating the hair. The Harvard School of Public Health is usually quoted as the reliable source of this recommendation. See similar questions...

For maximum corrosion protection, we recommend that the engine be flushed with freshwater after each saltwater use. See similar questions...

Engine oil protects the engine from wear and tear, prevents corrosion and also prevents deposits of foreign materials from forming blocks. It cools the engine and maximizes performance and protects the engine from rust. See similar questions...

Imperial Oil does not recommend it. According to the American Petroleum Institute (API) and Alliance of Automobile Manufacturers (AAM), “certified oils eliminate the need for supplemental engine-oil additives.” In fact, the use of any oil supplement is not recommended by car manufacturers and may void a warranty. Considering the comprehensive testing and engineering that has gone into Mobil 1, nothing can be gained by using these supplements. See similar questions...