While operating in 3 - cylinder mode, the rear cylinder bank's valve gear closes all intake and exhaust valves to minimize pumping losses. (hondanews.com)
Engine Structure: Overhead valves, two valves per cylinder, ohc valve gear, overhead camshaft, chain camshaft drive, two - stroke, aluminium cylinder head, cast iron block, 5 - bearing crankshaft, Stromberg CD type 175 carburettor, water cooling with thermostat controlled fan. (saabmuseum.com)
Power is up from 563 to 622bhp at 7400rpm and thanks to redesigned valve gear, modified camshafts and a revised intake system, the 6.2 - litre V8 now revs to 8000rpm. (evo.co.uk)