customer reviews of zMax engine treatment are extremely positive as of 2015, with many claiming that the product works very well. Customers gave the zMax engine treatment oil and the zMax engine treatment kit ... More » Vehicles Car Parts & Maintenance Engine Oil

According to San Joaquin Valley Geology, while some oil wells produce a flow purely from the natural pressure of the petroleum deposit, most require a physical pump in order to bring the oil to the surface for harvesting... More » Science Environmental Science Natural Resources

Most oil wells use a mechanical pump with a two-way valve to extract oil from a well. A plunger is lowered into the well with an open valve, allowing it to sink below the level of the petroleum in the shaft. The valve is... More » Science Earth Science

The cost of a Valvoline oil change varies based on a customer's oil choice, the number of quarts a vehicle needs, and available specials or coupons. For example, at Express Cares Oil Change in Missouri, a Valvoline oil c... More »

Many oil filters are made with the same materials, so buying a filter from the dealership is not necessarily going to give the customer a better filter than one purchased from a retailer like Wal-Mart. Purchasing a filte... More » Vehicles Car Parts & Maintenance Engine Oil

Find reviews for IntelliWHITE teeth whitening system by checking out customer reviews on websites that sell the product, such as, as well as expert reviews. Reviewers on give IntelliWHITE four and f... More » Health Dental Dental Hygiene

Nearly every motor oil maker touts their product as superior to their competitors. Comparing brands is difficult because all oils that carry the American Petroleum Institute (API) logo have met the same minimum standards... More » Vehicles Car Parts & Maintenance Engine Oil