For increased cooling efficiency, the 1GR employs water passages between the bores of the engine. There are two such passages for each bank for a total of four.

The 1GR-FE is a 4.0-liter V6 gasoline engine designed by Toyota for SUVs and RWD/4WD pickups. This 4.0-liter member of The Toyota GR engine family, together with 3.5-liter 2GR-FE, replaced the …

4 days ago · The Toyota 1GR-FE is a 4.0 L (3,956 cc, 241.41 cu·in) V6, four-stroke cycle water-cooled naturally aspirated internal combustion gasoline engine, manufactured by the Toyota Motor …

Jun 7, 2023 · In this guide, we discuss the 4.0L V6 Toyota 1GR-FE. Learn about 1GR-FE specs, reliability, performance mods and more.

Oct 31, 2023 · The 1GR-FE features what Toyota calls an “economy narrow-angle valve design,” evident from the ‘F’ in its engine code. The “E”, of course, stands for electronic fuel injection, while …

Detailed Information About The Toyota GR Series Engine Family. Find Out About Design, History, And More.

Jul 8, 2024 · We compare Toyota's 1GR-FE to other engines, assess its reliability and tuning potential, and dive into the key facts about this surprising powerplant.

Mar 30, 2025 · The 1GR-FE engine is a robust and versatile powerplant produced by Toyota, renowned for its reliability and performance. This 4.0-liter V6 engine is part of Toyota’s GR family of engines …

Jul 18, 2024 · The new 1GR was a large V6 with a 60° camber angle and a displacement of 4 liters. This motor, although it did not have a high rpm, was quite torquey and was found exclusively on SUVs. As …

The 1GR-FE engine is a 4.0-liter, 24-valve DOHC V6. This engine uses the VVT-i (Variable Valve Timing-intelligent) system, DIS (Direct Ignition System), ACIS (Acoustic Control Induction System), …