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Rocker Arm Tech Notes The rocker arm of an internal combustion engine changes radial movement into linear movement. This kind of device is properly called a reciprocating lever. It takes the spinning … Read more

Engine - Proper Deck Heights Blocks & Heads Whenever you go through an engine or cylinder head re-build, there will be some amount of "re-surfacing" that has to be performed to either the block o … Read more

Engine - Benefits of Crank Scrapers During normal engine operation a significant amount of oil adheres to, or becomes entrained in, a cloud surrounding the spinning bottom end. This oil eats up the h … Read more

Engine - Block Identification 1975-1980 20R: Deck Height 11.280" (Pan Rail to Top of Deck) Deck Height 9.120" (Crankshaft Center to Top of Deck) Stock Bore 88.5MM - 3.484" Max Overbore 90MM - 3.544" … Read more

Engine - Block Braces We're pretty sure that when Toyota designed the 20R or 22R series engines, they didn't have a 185 + horse powered engine in mind. Over the years however, LCE has developed a ful … Read more

Engine - Benefits of Circle Track Oil Pans Oil control in a 20R/22R circle track application is very critical in the heat of battle. Too many race motors have self destructed when the oil is sloshed … Read more