Synthetic oil changes cost nearly double conventional, but shop costs don’t justify the premium. AAA research found synthetic oils perform 47% better in laboratory tests, measuring factors like ...
The 3,000-mile oil-change rule is a relic of a time with less advanced engines and motor oils. But shops still push that ...
JOPLIN, Mo. (KSNF/KODE) — The oil in your car’s engine has an incredibly challenging job. From lying cold in the bottom of the engine’s oil pan, it needs to surge up to the valve gear at the very top, ...