Toyota GR Engine
The Toyota GR engine family is an open-deck, V6 piston engine series. The GR series has a 60° die-cast aluminum block and aluminum DOHC cylinder heads. This engine series also features 4 valves per cylinder, forged steel connecting rods, one-piece cast camshafts, and a cast aluminum lower intake manifold. Some variants use multi-port fuel injection, some have D4 direct injection others have a combination of direct injection and multi-port fuel injection or D4-S.
The GR series replaces the previous MZ V6, JZ I6 and in the case of light trucks the VZ V6.
Note: Power ratings have changed due to SAE measurement changes for 2006 model year vehicles. Toyota rates engines on 87 octane, Lexus rates engines on 91 octane.