| 2007 saw a major shift in the Toyota Tundra | | | | engine. This engine uses VVT-i, which mean that |
| Engine lineup. Toyota went from two engines to | | | | the valve on the intake cam is variable. Further, |
| three: the 5.7L 3UR-FE, the 4.7L 2UZ-FE, and the | | | | this engine cannot be bored out. Toyota has gone |
| 4.0L 1GR-FE The last generation of Toyota Celica | | | | to an elliptical shape intake port. They claim that |
| engines saw to 1.8L motors. | | | | this is to reduce fuel consumption via more |
| The eight cylinder 5.7L Toyota Tundra Engine is | | | | evenly distributed fuel, but the cynic in me feels |
| the largest Toyota engine in use in North America. | | | | that this is merely an attempt to make the |
| This motor is DOHC with 32 valves, and makes | | | | engine nonrebuildable. |
| use of dual VVT-I, which means the valve timing | | | | Getting into Toyota Celica engines, we first look |
| is variable both on the intake and exhaust valves. | | | | at the 1ZZFE. This engine was built for US |
| The bore size is 94mm and the stroke is 102mm. | | | | vehicles in Cambridge, Ontario, Canada and in |
| Should you need to replace this motor in your | | | | Buffalo, West Virginia. It is a 1794 CC, 16 valve |
| vehicle, I strongly recommend you buy a used | | | | DOHC motor, with a bore of 79mm and a stroke |
| engine, since a new one will set you back just | | | | of 84mm. All 2000-2005 GTs have the 1ZZFE. |
| under $20,000. There is unlikely to be a strong | | | | This engine utilizes a timing chain instead of a |
| remanufacturing market for this engine, since the | | | | chain. A timing chain is considered to be of higher |
| magnesium alloy head is difficult to work with. | | | | quality than a belt. |
| This engine is produced at Toyota's plant near | | | | The upgrade of Toyota Celica engines is the |
| Huntsville, AL. | | | | 2ZZGE. Also a 16 valve DOHC engine, the bore is |
| The 2UZFE is a 4.7L Toyota Tundra engine also | | | | 82mm and the stroke is 85mm. Japanese |
| produced at the Huntsville plant. It also has a | | | | produced only, this engine utilizes a 11.5:1 |
| 94mm bore, but the stroke is reduce to 84mm. | | | | compression ratio requiring gasoline with a 91 |
| Again, we have a 32 valve DOHC. There is not | | | | octane minimum. This is a dual VVTL-i system, |
| dual VVT-I on this engine though – only | | | | which means that the valve lift varies according |
| variable valve timing. The 2UZFE utilizes a cast | | | | to need on both the intake cams and the exhaust |
| iron block and aluminum heads. | | | | cams, greatly increasing performance. |
| The 1GR-FE is a six cylinder, 32 valve DOHC 4.0L | | | | |