BEARING CRUSH AND VERTICAL CLEARANCE One of the most important factors in engine bearing design is a proper fit between the bearing and housing. Except for thrust washers, nearly all bearings are an interference fit. This means the bearing is slightly larger than the...
ENGINE BEARINGS - FRICTION AND PRE-LUBRICATION Overcoming friction is essential to successful bearing service. In order to understand friction we must take a close-up look at a “smooth” surface. If we were to take a cross-section of a polished piece of metal, we would...
MAIN BEARING RAPTURE FOR THE RAPTOR Here are some bits of info on the new Ford 5.8L modular engine. It seems Clevite, nor any other bearing manufacturer, do not have a listing for the main bearings for this engine. Here is a helping hand. Order part number MS2202H...
Rod-to-Piston Interference in Early 466T John Deere Model 4440 Engines Here’s a caution for engine builders. In John Deere 466T engines, do not use the connecting rod (Howard #R71074) from later model 4450 engines in the earlier Model 4440 engines. The pistons look...