Best Connecting Rod Bearings
Proper housing bore size and cap fastener torque will ensure that the bearing is properly crushed for maximum retention.
Best connecting rod bearings. According to sledge both connecting rod and main bearing housing bores need to have a surface finish of approximately 60 to 90 micro inches. Bearings clearance basics best bearings one of the abilities that separates the experienced engine builders from the novices is properly fitting the bearing clearances for both the crank and rod. Upper main shells which see less loads than the lowers have retained a groove to supply the connecting rods with oil. Summit racing carries rod bearings for street strip and race only applications made from a wide variety of high quality materials and in all critical sizes for your crankshaft.
Obviously there are others say experts but these are the primary elements that are used. In reality the right way to check bearing clearances is with the proper tools. Another old school trick was a main bearing set with a 360 degree groove. The most commonly used materials in crankshaft bearings are aluminum copper lead and tin.
And they are all on a comparative basis much softer than the iron and steel crankshafts that run against them.