Bardahl Classic Motor Oil SAE 30 contains a minimum of additives and is fully compatible with brass, bronze, copper and nonferrous metals. The chosen viscosity for the classic engines provides a constant oil pressure, which contributes to a minimum of oil consumption. It is suitable for sealing materials of the time (paper, felt and fabric). The excellent adhesion contributes to a minimum engine wear at startup, even after long standstill. Suitable for classic Cars from 1900 to 1950.