TRD的数据Cylinder Firing Order: 1-3-4-2 Engine Bore: 81mm (3.189") Engine Stroke: 77mm (3.031") Oil Viscosity: 40 or 50 weight, depending on air temperature Fuel Octane Rating: 108 prefered Operating Oil Temperature: 200o-230o F, above 230o there is power loss Operating Water Temperaure: 180o-200&o...