::Engine Oil 105:: thick or thin oil 90 percent of engine wear occurs during the startup period because oil is just too thick. Some think it is good to have a thicker oil for startup since the parts shrink when cold and would otherwise “rattle.” Sure, your piston diameter will shrink on cooling but so will the diameter of your bore. The net result is about the same clearance hot and cold. This is not true for your valves. They lengthen when extremely hot. source - BITOG sarjantulang
Posted on: Tue, 15 Apr 2014 07:11:38 +0000
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