Engine braking imposes negligible wear and tear on the engine. Instead of fuel-air explosions driving the pistons up and down, the pistons inefficiently compres

Engine braking imposes negligible wear and tear on the engine. Instead of fuel-air explosions driving the pistons up and down, the pistons inefficiently compress and expand air at ambient temperature and pressure. Sure, extended use might take 100 miles of life off a 300,000 mile part, but are you really going to worry about that?