Explore the effectiveness of head gasket sealers in this comprehensive 31-minute video tutorial. Learn how head gaskets function, how to identify leaks, and the science behind sealer products. Follow a step-by-step guide on applying a head gasket sealer, and discover the results of a two-year, 10,000-mile test. Witness an engine teardown to examine the sealer's impact, check for cylinder head warping, and assess potential radiator clogging. Gain insights from oil analysis after sealer use and understand when these products are a viable alternative to expensive repairs.