How Do I Switch from Conventional to Synthetic Oil? John Baker | Apr 1, 2015 10:34:57 AM To borrow a famous slogan, just do it. There is still some confusion about changing to a different type of oil in vehicles, particularly older models that have accumulated many miles. A small group of ill-informed individuals in garages and on blogs still cling to old beliefs that synthetic motor oils cause roller followers to “slip or skid,” or that switching to synthetic motor oil causes issues in older engines, particularly oil leaks. Facts have since replaced these outdated ideas about synthetics causing engine problems. The use of synthetic lubricants is growing rapidly because properly formulated synthetics offer benefits well beyond what conventional and synthetic blend products can provide. Many new passenger car and light truck vehicles come factory filled with synthetic lubricants – not just high-performance sports cars. There are a couple of ways to...