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Introduction
The 1FZ-FE was a 4.5-litre inline six-cylinder petrol engine that replaced Toyota’s 3F-E engine. The 1FZ-FE engine had a cast iron block with 100.0 mm bores and a 95.0 mm stroke for a capacity of 4477 cc.
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| Engine | Trans. | Years | Peak power | Peak torque | |
|---|---|---|---|---|---|
| Toyota105 Series LandCruiser (FZJ105) | 4.5-litre petrol I6 (1FZ-FE) |
5sp man., 4sp auto |
1998-02 | 165kW at 4600rpm | 387Nm at 3600rpm |
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The 1FZ-FE engine had a cast iron cylinder head and double overhead camshafts. The intake camshaft was driven by a single roller chain, while the exhaust camshaft was driven by a scissor gear off the intake camshaft. The 1FZ-FE engine had four valves per cylinder – in a cross-flow layout – that were actuated by outer pad type valve lifters with adjusting shims. As per the table below, the 1FZ-FE engine had valve overlap of 10 degrees, intake duration of 225 degrees and exhaust duration of 225 degrees.
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| 1FZ-FE Valve Timing | ||
|---|---|---|
| Intake | Open | 5° BTDC |
| Close | 40° ABDC | |
| Exhaust | Open | 40° BBDC |
| Close | 5° ATDC | |
[/su_table]The 1FZ-FE engine had sequential, electronic fuel injection with direct ignition. Furthermore, the 1FZ-FE engine had pentroof type combustion chambers and a compression ratio of 9.0:1; the firing order was 1-5-3-6-2-4.
