4G9x family: Difference between revisions
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Mitsubishi's 4G9x family is a series of inline 4 cylinder engines ranging in size from 1.5 to 2.0 litres. They utilise a cast iron block with aluminum head and belt driven camshafts in single or double overhead form. As a small capacity engine it does not make use of [[Balance shaft|balance shafts]]. | |||
The 4G9x | The 4G9x showcases Mitsubishi's advanced engine technology with some variations available with MIVEC variable valve timing and lift, [[Modulated Displacement]] cylinder deactivation, turbocharging and [[Gasoline Direct Injection|Gasoline Direct Injection (GDI)]]. | ||
As with most of Mitsubishi's modern engines, the 4G9x family can have numerous variations within the same engine model. | As with most of Mitsubishi's modern engines, the 4G9x family can have numerous variations within the same engine model. | ||
==4G91== | ==4G91== | ||
The 4G91 is a 1.5 Litre engine displacing 1496cc. It has a 78.4mm | The 4G91 was the first engine in the family and is a 1.5 Litre engine displacing 1496cc. It has a 78.4mm x 77.5mm bore and stroke. | ||
The | |||
The DOHC fuel injected version used a 9.5:1 compression ratio was used in upper-level Japanese Lancer, Mirage and Mirage Astis and produced 84 kW at 6000rpm and 135 Nm at 5000rpm. | |||
The only other version of the engine was a DOHC carburetted version outputting 71 kW at 6000 rpm and 126Nm at 3500 rpm. | |||
==4G92== | ==4G92== | ||
Revision as of 07:20, 23 November 2018
| 4G9x | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mitsubishi Motors |
| Layout | |
| Configuration | Inline 4 |
| Cylinder block alloy | Cast Iron |
| Cylinder head alloy | Aluminum alloy |
| Valvetrain | SOHC/DOHC |
Mitsubishi's 4G9x family is a series of inline 4 cylinder engines ranging in size from 1.5 to 2.0 litres. They utilise a cast iron block with aluminum head and belt driven camshafts in single or double overhead form. As a small capacity engine it does not make use of balance shafts.
The 4G9x showcases Mitsubishi's advanced engine technology with some variations available with MIVEC variable valve timing and lift, Modulated Displacement cylinder deactivation, turbocharging and Gasoline Direct Injection (GDI).
As with most of Mitsubishi's modern engines, the 4G9x family can have numerous variations within the same engine model.
4G91
The 4G91 was the first engine in the family and is a 1.5 Litre engine displacing 1496cc. It has a 78.4mm x 77.5mm bore and stroke.
The DOHC fuel injected version used a 9.5:1 compression ratio was used in upper-level Japanese Lancer, Mirage and Mirage Astis and produced 84 kW at 6000rpm and 135 Nm at 5000rpm.
The only other version of the engine was a DOHC carburetted version outputting 71 kW at 6000 rpm and 126Nm at 3500 rpm.
4G92
The 4G92 is a 1.6 Litre engine, displacing 1597cc. It utilises a 81.0x77.5mm bore and stroke. Mitsubishi versions of this engine were available in both SOHC with 4 valves per cylinder, DOHC and DOHC with MIVEC technology. A 12 valve SOHC version was also produced for Proton. In Australia the 16 valve SOHC unit was used in the CC Lancer.
4G93
The 4G93 is a 1.8 Litre engine with a displacement of 1834cc. It uses a 81.0x89.0mm bore and stroke and is made in 4 valve per cylinder SOHC, DOHC, DOHC turbo and DOHC with GDI forms.
In Australia the SOHC engine was used in the CC-CE Lancer and Pajero iO. The DOHC turbo engine was fitted to the CC Lancer GSR.
4G94
The 4G94 is the largest of the family at 2.0 Litres. It has a displacement of 1999cc with a 81.5x95.8mm bore and stroke and is available in 4 valve per cylinder SOHC and DOHC with GDI versions.
In Australia the SOHC version was used in the CG and CH Lancer and Pajero iO.
| MITSUBISHI PETROL ENGINES | |
| 3 cylinder | |
| 3A9x | 3A90 3A91 3A92 |
| 4 cylinder | |
| Neptune | 4G41 4G42 |
| Orion | 4G11 4G12 4G13 4G15 4G17 4G18 4G19 G4ED |
| Sirius | 4G61 4G62 4G63 4G64 4G67 4G69 |
| Astron | 4G51 4G52 4G53 4G54 |
| Astron II | Original Revised |
| Saturn | 4G30 4G31 4G32 4G33 4G37 |
| 4G9x | 4G91 4G92 4G93 4G94 |
| 4A9x | 4A90 4A91 4A92 |
| 4B1x | 4B10 4B11 4B11T 4B12 |
| Inline 6 | |
| Saturn 6 | 6G34 |
| V6 | |
| 6G7x | 6G71 6G72 SOHC 12v 6G72 SOHC 24v 6G72 DOHC Early 6G74 Late 6G74 Ralliart 6G74 6G75 |
| 6A1x | 6A10 6A11 6A12 6A13 |
| 6B3x | 6B31 |
| V8 | |
| 8A80 | 8A80 |
