6G7 ENGINE (E - W) - Specifications

11A-1-1

1. SPECIFICATIONS

 

 

 

SERVICE SPECIFICATIONS

 

 

 

 

 

 

 

Items

 

Standard

Limit

 

 

 

 

Timing belt

 

 

 

 

 

 

 

Auto-tensioner rod length mm

 

3.8 - 5.0

-

 

 

 

 

Auto-tensioner rod projection length mm

 

12

-

 

 

 

 

Auto-tensioner rod pushed-in amount (when pushed with a force of 98

1.0 or less

-

- 196 N) mm

 

 

 

 

 

 

 

Rocker arms and camshaft

 

 

 

 

 

 

 

Camshaft cam height mm (Identification

Intake

37.71

37.21

mark: 1)

 

 

 

Exhaust

37.14

36.64

 

 

 

 

 

Camshaft journal outside diameter mm

 

45

-

 

 

 

 

Lash adjuster leak down time

 

4 - 20/1.0

-

[diesel fuel at 15 - 20_C] seconds/mm

 

 

 

 

 

 

 

Cylinder head and valves

 

 

 

 

 

 

 

Cylinder head flatness of gasket surface mm

 

Less than 0.03

0.2

 

 

 

Cylinder head grinding limit of gasket surface mm

-

0.2

(Total resurfacing depth of both cylinder head and cylinder block)

 

 

 

 

 

 

Cylinder head overall height mm

 

120

-

 

 

 

 

Valve thickness of valve head (margin) mm

Intake

1.0

0.5

 

 

 

 

 

Exhaust

1.2

0.7

 

 

 

 

Valve overall height mm

Intake

112.30

111.80

 

 

 

 

 

Exhaust

114.11

113.61

 

 

 

 

Valve stem outside diameter mm

Intake

6.0

-

 

 

 

 

 

Exhaust

6.0

-

 

 

 

 

Valve thickness to valve guide clearance mm

Intake

0.02 - 0.04

0.10

 

 

 

 

 

Exhaust

0.04 - 0.06

0.15

 

 

 

 

Valve face angle mm

 

45_ - 45.5_

-

 

 

 

 

Valve spring free length mm

 

51.0

50.0

 

 

 

 

Valve spring load/installed height N/mm

 

267/44.2

-

 

 

 

 

Valve spring out-of-squareness

 

2_ or less

Maximum 4_

 

 

 

 

Valve seat valve contact width mm

 

0.9 - 1.3

-

 

 

 

 

Valve guide inside diameter mm

 

6.0

-

 

 

 

Valve guide projection from cylinder head upper surface mm

14

-

 

 

 

 

Valve stem projection mm

 

49.3

49.8

 

 

 

 

Oil pan and oil pump

 

 

 

 

 

 

 

Oil pump tip clearance mm

 

0.06 - 0.18

-

 

 

 

 

E Mitsubishi Motors Corporation

Dec. 1996

PWEE9615

Page 4
Image 4
Mitsubishi 6G7 specifications 11A-1-1, Service Specifications

6G7 specifications

The Mitsubishi 6G7 engine is a robust V6 gasoline engine that has garnered attention for its blend of performance and efficiency. Primarily designed for use in a variety of Mitsubishi vehicles, including sedans and SUVs, the 6G7 series illustrates the engineering prowess of Mitsubishi in creating reliable and powerful engines.

One of the standout features of the 6G7 engine is its V6 configuration, which provides a good balance of power and smoothness. This engine typically displaces 3.0 liters, though variants exist with slightly different displacements. The 6G7 showcases a double overhead camshaft (DOHC) design, which facilitates efficient airflow and enhances power output. This configuration allows the engine to produce a substantial amount of horsepower while maintaining fuel efficiency, making it an attractive option for both performance-driven drivers and those focused on daily commuting.

In terms of technology, the 6G7 utilizes Mitsubishi’s advanced fuel injection system, which optimizes the fuel-air mixture for efficient combustion. This not only contributes to improved power output but also helps in reducing emissions, making the engine more environmentally friendly. Additionally, the integration of a variable valve timing (VVT) system enhances the engine's performance across various RPM ranges, providing both low-end torque and high-end power.

The 6G7 is designed with durability in mind. It features a robust iron block and aluminum alloy cylinder heads, which contribute to the engine's longevity and overall reliability. The use of advanced materials and manufacturing techniques helps to minimize wear and extend the lifespan of critical components.

Another important characteristic of the 6G7 engine is its smooth operation. The V6 configuration inherently provides balance, reducing vibrations and ensuring a refined driving experience. Coupled with a well-tuned exhaust system, the engine produces a pleasing sound that enhances the overall driving experience without being overwhelming.

In conclusion, the Mitsubishi 6G7 engine series stands out for its combination of power, efficiency, and durability. With advanced technologies like DOHC, VVT, and an efficient fuel injection system, the 6G7 remains a popular choice in various Mitsubishi models. Its smooth operation and robust construction further establish it as a reliable engine, appealing to a wide range of drivers seeking performance without sacrificing efficiency. The 6G7 serves as a testament to Mitsubishi's commitment to engineering excellence and innovation in the automotive industry.