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21R
The 2-valve SOHC
2.0 L (1,972 cc) 21R was produced from 1978 through 1987.
Cylinder bore was 84 mm (3.31 in) and stroke was 89 mm (3.5 in).
Output in 1978, constrained by emissions, was 105 hp (78 kW) at 5,200 rpm and 116 lb·ft (157 N·m) at 3,600 rpm. Air injection and California
emissions equipment for the 21R-C (1982–1985) dropped power down to 90 hp (67 kW) at 5,000 rpm. The air-injected Japanese version, the 21R-U, produced 105 hp (78 kW) at 5,200 rpm and 120 lb·ft (162 N·m) at 3,600 rpm but dropped to 101 hp (75 kW) at 5,400 rpm and 114 lb·ft (154 N·m) at 4,000 rpm in 1986.
Ini sumbernya :
http://en.m.wikipedia.org/wiki/Toyota_R_engine
mengenai kumala motor, emang tjanggih itu toko. hampir semua part toyota jadoel dan import series ada disana. Tapi harganya "sakit"