Small gas engines built before the 1990s used cast-iron cylinder sleeves and thicker piston rings that resist wear far longer than modern aluminum-bore designs. Brands like Briggs & Stratton, Kohler K ...

For 31 years, Wards Auto has been publishing an annual list of its powertrain award winners, commonly referred to as the 'Wards 10 Best Engines' list. This annual list is widely regarded as an ...