Difference between revisions of "6G7x family"

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<div style="float: right;margin-left:5px;">__TOC__</div>
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{{Infobox engine
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The '''6G7x family''' of engines is a series of 60 &ordm; V6 engines designed by Mitsubishi for a variety of applications. The 6G7x has been used in front, rear and all-wheel drive applications. As with the [[Sirius family]] there can be many variants within a single model of enigne.
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| name          = Cyclone V6 (6G7x)
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| image        = [[Image:Mitsubishi 6G75.JPG|250px]]
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| caption      = 6G75 in a Ninth Generation Galant
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| manufacturer  = Mitsubishi Motors
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| aka          =
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| production    = 1986 - present
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| successor    = 
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| configuration = V6
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| block        = Cast iron
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| head          = Aluminum alloy
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| valvetrain    = SOHC/DOHC
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| supercharger  =
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| turbocharger  =
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| coolingsystem =
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}}
  
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All variants feature a cast iron engine block and alluminium cylinder heads with belt driven overhead camshafts.
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Mitsubishi's '''6G7x family''' of engines (also known as the Cyclone V6) was Mitsubishi's first V6 engine, introduced to the Japanese market in 1986. The engines have a 60&ordm; vee angle, cast iron blocks with aluminum alloy cylinder heads and belt driven camshafts. The engine has seen service in front, rear and all-wheel drive applications. As with the [[Sirius family]] there can be many variants within a single model of engine.
  
 
As with many other Mitsubishi engine families, the 6G7x was also used in Hyundai and Chrysler vehicles.
 
As with many other Mitsubishi engine families, the 6G7x was also used in Hyundai and Chrysler vehicles.
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__TOC__
  
 
===6G71===
 
===6G71===
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The rarest of all 6G7x series engines, the 6G71 was a 2.0L single overhead cam V6 with 2 valves per cylinder. It has a displacement of 1998cc with a 74.7mm bore and 76mm stroke. The only variant of this engine was a version fitted with a supercharger for the 1987 Debonair V
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[[Image:6G71_Supercharged.jpg|thumb|left|200px|Supercharged 2.0L V6 6G71]]The 6G71 is the rarest model of the 6G7x family, being a 2.0L single overhead cam V6 with 2 valves per cylinder. It displaces 1998cc with a 74.7mm bore and 76mm stroke.
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The engine was available in normally aspirated versions (some with single-point fuel injection, others with multi-point fuel injection) with a 8.9:1 compression ratio and a supercharged version with a 8.0:1 ratio.
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The supercharged engine was transversely mounted in some Japanese Debonair Vs and used a Mikuni DM51 supercharger and water-to-air intercooler. The supercharger was mounted to the front cylinder bank and connected directly to the throttle body.
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Three variants of the engine were produced:
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{|cellpadding="3" align="left"
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|'''Variant'''
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|'''Power'''
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|'''Torque'''
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|-
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|6G71 with single point injection
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|77kW at 5000rpm
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|158Nm at 4000rpm
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|-
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|6G71 with multi-point injection
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|88kW at 5500rpm
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|172Nm at 4200rpm
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|-
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|6G71 Supercharged
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|110kW at 5000rpm
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|221Nm at 3000rpm
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|}
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{{clear}}
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The engine was never fitted to Australian market Mitsubishis.
  
 
===6G72===
 
===6G72===
 
The 6G72 has been produced in many different variants. It is a 3.0L V6 displacing 2972cc and has a 91.1mm bore and 76 mm stroke. All versions featured roller rockers and a one piece main bearing assembly.
 
The 6G72 has been produced in many different variants. It is a 3.0L V6 displacing 2972cc and has a 91.1mm bore and 76 mm stroke. All versions featured roller rockers and a one piece main bearing assembly.
  
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The single overhead cam [[6G72_12v|12 valve]] (2 per cylinder) version was used in the [[:Category:Second Generation|Second Generation]] Magna/Verada and the single overhead cam [[6G72_24v|24 valve]] (4 per cylinder) version was used in the [[:Category:Third Generation|Third Generation]] Magna/Verada. For information on these engines see their respective pages.
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The single overhead cam [[6G72_12v|12 valve]] (2 per cylinder) version was used in the [[:Category:Second Generation Magna/Verada|Second Generation]] Magna/Verada and the single overhead cam [[6G72_24v|24 valve]] (4 per cylinder) version was used in the [[:Category:Third Generation Magna/Verada|Third Generation]] Magna/Verada. For information on these engines see their respective pages.
  
 
There have been versions of the 6G72 which have been produced with double overhead camshafts with 24 valves, twin turbochargers and double overhead camshafts with [[MIVEC]]. Some versions also feature [[Mitsubishi Variable Intake Control]].
 
There have been versions of the 6G72 which have been produced with double overhead camshafts with 24 valves, twin turbochargers and double overhead camshafts with [[MIVEC]]. Some versions also feature [[Mitsubishi Variable Intake Control]].
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In Australia the engine has been used in:
 
In Australia the engine has been used in:
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*6G72 SOHC 12v: [[:Category:Second Generation|Second Generation]] Mitsubishi Magna/Verada, Mitsubishi Pajero, Mitsubishi Triton, Mitsubishi Starwagon, Hyundai Sonata
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*6G72 SOHC 12v: [[:Category:Second Generation Magna/Verada|Second Generation]] Mitsubishi Magna/Verada, Mitsubishi Pajero, Mitsubishi Triton, Mitsubishi Starwagon, Hyundai Sonata
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*6G72 SOHC 24v: [[:Category:Third Generation|Third Generation]] Mitsubishi Magna, Mitsubishi Triton, Mitsubishi Challenger.
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*6G72 SOHC 24v: [[:Category:Third Generation Magna/Verada|Third Generation]] Mitsubishi Magna, Mitsubishi Triton, Mitsubishi Challenger.
 
*6G72 DOHC 24v: Hyundai Sonata, Hyundai Grandeur
 
*6G72 DOHC 24v: Hyundai Sonata, Hyundai Grandeur
  
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===6G74===
 
===6G74===
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The [[6G74]] is a 3.5 Litre engine displacing 3497cc. It has a bore of 93mm and a stroke of 85.8mm. The engine was available in single and overhead camshaft versions, all with 24 valves. Some versions of the engine also featured [[MIVEC]]. The engine was used in the [[:Category:Third Generation|Third Generation]] Magna/Verada.
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The [[6G74]] is a 3.5 Litre engine displacing 3497cc. It has a bore of 93mm and a stroke of 85.8mm. The engine was available in single and overhead camshaft versions, all with 24 valves. Some versions of the engine also featured [[MIVEC]] and/or [[GDI]]. The engine was used in the [[:Category:Third Generation Magna/Verada|Third Generation]] Magna/Verada.
  
 
The engine was also used by Hyundai and designated as G6AU and G6HC (3.5D).
 
The engine was also used by Hyundai and designated as G6AU and G6HC (3.5D).
  
 
In Australia the engine was fitted to:
 
In Australia the engine was fitted to:
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*SOHC  - [[:Category:Third Generation|Third Generation]] Mitsubishi Magna/Verada, Mitsubishi Pajero
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*SOHC  - [[:Category:Third Generation Magna/Verada|Third Generation]] Mitsubishi Magna/Verada, Mitsubishi Pajero
 
*DOHC - Mitsubishi Pajero, Hyundai Terracan, Kia Sorento
 
*DOHC - Mitsubishi Pajero, Hyundai Terracan, Kia Sorento
  
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In Australia the engine was used in:
 
In Australia the engine was used in:
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*SOHC - [[Mitsubishi 380]], Mitsubishi Triton, Mitsubishi Pajero
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*SOHC - [[Mitsubishi 380]], Mitsubishi Pajero
 
*DOHC - Mitsubishi Pajero
 
*DOHC - Mitsubishi Pajero
 
{{Mitsubishi Engines}}
 
{{Mitsubishi Engines}}
  
 
[[Category:Other Mitsubishi Technical]]
 
[[Category:Other Mitsubishi Technical]]

Latest revision as of 13:41, 13 September 2020

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