Title: AMSOIL Introduces Break-In Oil and Assembly Lube. Post by: Team Got Oil? on November 17, 2011, 11:20:47 pm In the last few months, AMSOIL introduced a Break-In Oil and an Assembly Lube for Engine Builders. The Break-In oil is a 10W-30 weight. Designed to aid in the seating of rings and bearings. The Assembly Lube aids in lubricating bearings and key components during initial start-up. |