Honda Prelude AEM Adjustable Fuel Pressure Regulator HC and PGM-FI that increased power to 135 hp (101 kW) and 127 lb·ft (172 N·m), or a slightly-larger B21A1 in 1990 and 1991 Si models described below. The B20A6 was the Australian model: a 2.0 DOHC 16-valve PGM-FI engine, also 1958 cc, producing 142 hp (106 kW) and 127 lb·ft (172 N·m).The four-wheel steering system (4WS) was a major piece of engineering and the third generation Prelude was the first production car to feature it. The less expensive two-wheel-steering version has been criticized for severe understeer.The third generation Prelude also had some new external designs. The hood line w

AEM Adjustable Fuel Pressure Regulator The third generation Prelude (released in 1987 in Japan and a little later in some markets) was very similar in looks to the second generation. It was all-new, however, and gained four wheel steering on some models. In keeping true to the second generation Prelude's ideology, the third generaton received body changes that updated the look. New engines available in the USDM models were: in the 1988-1990 2.0S, the B20A3 which is a SOHC 12-valve dual-sidedraft carburetor engine displacing 1958 cc that produced up to 104 hp (78 kW) and 111 lb·ft (150 N·m); in the 1988-1991 2.0Si, the B20A5 with DO