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. There have been 7 models of Toyota GR engine, 1GR-FE, 2GR-FE, 2GR-FSE, 3GR-FE, 3GR-FSE, 4GR-FSE, 5GR-FE.
The 1GR-FE engine is a 4.0-liter, 24-valve DOHC V6 engine. This engine uses the VVT-i (Variable Valve Timing-intelligent) system, DIS (Direct Ignition System), ACIS (Acoustic Control Induction System), and ETCS-i (Electronic Throttle Control System-intelligent). These control functions achieve improved engine performance, fuel economy, and clean emissions.
The Toyota 1GR-FE Engine applied on Toyota 4Runner (2003–2004), Toyota Land Cruiser 2003 (Europe), Toyota Land Cruiser Prado 2003 (South Africa, Australia and Asia Pacific), Toyota Tacoma 2005, Toyota Hilux 2005 (Australia and South Africa), Toyota Tundra 2005, Toyota Fortuner 2005 and Toyota FJ Cruiser 2007.
Toyota 1GR-FE Engine Specs
Number of cycles & arrangement
: 6-Cylinder, V Type
Source: wikipedia.org, fjcruiserforums.com