Toyota Engine Block Casting Numbers

Not long after Toyoda Automatic Loom Works began operations in 1927, the company installed a 1.5-ton electric arc furnace, as instructed by Kiichiro. The furnace was used to melt cast iron. Cast iron produced by an electric furnace was harder and had greater tensile strength than that produced by a cupola furnace; in other words, the cast metal exhibited superior mechanical properties. Later, in 1930, alloy cast iron produced by the electric furnace was used in parts for the spinning machines.1

Chevy Casting Number identification including Block casting numbers, cylinder head casting numbers, Crankshaft and intake casting numbers. The block casting numbers I found were 0 (the 20 at the end. Is you have a 1981-2 Toyota 22R engine for full details see below.

Artisteer 4.3.0.60745 crack. According to Umeji Harada, who had been a foundry worker at Toyoda Automatic Loom Works since its earliest days, the company was the first in Japan to produce cast iron using an electric furnace.2 Later, in 1933 when the company placed an order with Daido Electric Steel Manufacturing Co., Ltd. (now Daido Steel Co., Ltd.) for a 800 kVA 3-ton electric arc furnace, it is said that Daido responded by saying that they don't manufacture electric furnaces to melt cast iron. At the time, producing cast iron using an electric furnace was unknown territory even for electric furnace manufacturers.