![]() ![]() This engine features Toyota's VVT-i, variable valve timing system on the intake cam and a compression ratio of 10.0:1. The 1GR-FE is the 4.0 L (3,956 cc) version, designed for longitudinal mounting in RWD and 4WD pickup applications. Toyota rates engines on 87 pump octane, Lexus rates engines on 91 pump octane. Note: Power ratings have changed due to SAE measurement changes for 2006 model year vehicles. The GR series replaces the previous MZ V6 and JZ inline-6, and in the case of light trucks the VZ V6. Some variants use multi-port fuel injection, some have D4 direct injection, and others have a combination of direct injection and multi-port fuel injection or D4-S. This engine series also features 4 valves per cylinder, forged steel connecting rods and crankshaft, one-piece cast camshafts, and a cast aluminium lower intake manifold. ![]() The GR series has a 60° die-cast aluminium block and aluminium DOHC cylinder heads. The Toyota GR engine family is a gasoline, open-deck, piston V6 engine series.
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