Originally Posted By: ShotGun429
If you tore apart engines for a living the past past 45 years, (thousands and thousands) you wouldnt be using a 0W-20 ever. not going to start a war. just the facts. "Other than cold start cranking, the thicker oils make the engines last longer and look better at teardown" PERIOD
Most car owners, and particularly the ones who's engines ever get torn down, don't even know what kind of oil was run in their engines. How can engine shops that tear down thousands of engines be able to correlate oil used?