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  1. IRCwaves

    Mobil 1 10w-30; 10.5k miles; 1993 Volvo 240 347k

    This engine is a coveted L-block B230F. L was the last revision to the Volvo redblock. It added extra oil passages and piston squirters for added cooling. The engine exhibits no audible piston slap, even on the coldest of days. The oil loss tends to run from the valve cover, cam-plug, and...