Outline - Honda Acura NSX 1991 Service Manual

Outline

Description
This engine is a 2,977 cc DOHC mid-ship unit having 6 cylinders of 90° -V configuration; it is water cooled and equip-
ped with a center plug type pent roof combustion chamber. It is specified for unleaded fuel and uses a PGM-FI (Multi-
point injection) system. This engine incorporates a new mechanism called Honda Variable Valve Timing and Lift Elec-
tronic Control System (VTEC). This mechanism, the world's first, allows the timing and lift of the intake and exhaust
valves to be changed simultaneously. The engine also includes a new electronically controlled intake manifold system
that can change the volume of the intake chamber.