1g Astron II - Revision history

Cartman02au at 12:27, 25 September 2020

2020-09-25T12:27:15Z

← Older revision		Revision as of 12:27, 25 September 2020
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			{{Merge\| Astron II}}

	{{Infobox engine		{{Infobox engine
	\| name = Astron II (First Generation)		\| name = Astron II (First Generation)

Cartman02au at 10:26, 17 November 2018

2018-11-17T10:26:12Z

← Older revision		Revision as of 10:26, 17 November 2018
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	\| name = Astron II (First Generation)		\| name = Astron II (First Generation)
	\| image = [[Image:1g efi engine.jpg\|250px]]		\| image = [[Image:1g efi engine.jpg\|250px]]
			\| caption = Astron II in a first generation Magna
	\| manufacturer = Mitsubishi Motors Australia Limited		\| manufacturer = Mitsubishi Motors Australia Limited
	\| aka = 4G54		\| aka = 4G54

Cartman02au at 09:52, 17 November 2018

2018-11-17T09:52:36Z

← Older revision		Revision as of 09:52, 17 November 2018
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	\| aka = 4G54		\| aka = 4G54
	\| production = 1985 - 1996		\| production = 1985 - 1996
	\| predecessor =		\| predecessor = [[Astron]]
	\| successor =		\| successor = [[2g Astron II\|Astron II (Second Generation]]
	\| configuration = In-line 4		\| configuration = In-line 4
	\| displacement = 2555cc		\| displacement = 2555cc

Cartman02au at 09:51, 17 November 2018

2018-11-17T09:51:48Z

← Older revision		Revision as of 09:51, 17 November 2018
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	{{Infobox engine		{{Infobox engine
	\| name = Astron II (First Generation)		\| name = Astron II (First Generation)
	\| image = [[1g efi engine.jpg\|250px]]		\| image = [[Image:1g efi engine.jpg\|250px]]
	\| manufacturer = Mitsubishi Motors Australia Limited		\| manufacturer = Mitsubishi Motors Australia Limited
	\| aka = 4G54		\| aka = 4G54

Cartman02au at 09:51, 17 November 2018

2018-11-17T09:51:31Z

@@ Line 1: / Line 1: @@
 The '''first generation Astron II''' was an improved version of the original [[Astron]] which debuted in the late 1970s. The first Astron was revolutionary as it was the first engine to use [[balance_shaft|balance shafts]] to make the engine feel much smoother.
@@ Line 8: / Line 45: @@
+|
 ==Technical Specifications==
 {|cellpadding="3" align="left"
 |'''Type'''

Cartman02au at 08:54, 17 November 2013

2013-11-17T08:54:58Z

← Older revision		Revision as of 08:54, 17 November 2013
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	[[Category: First Generation Magna]]		[[Category: First Generation Magna]]
	[[Category: Second Generation Magna/Verada]]		[[Category: Second Generation Magna/Verada]]
	[[Category: ~~2.6L Technical~~]]		[[Category: Astron Engines]]

Cartman02au at 01:16, 11 January 2010

2010-01-11T01:16:40Z

← Older revision		Revision as of 01:16, 11 January 2010
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	\|{{Mitsubishi Engines}}		\|{{Mitsubishi Engines}}
	\|}		\|}
	[[Category: First Generation]]		[[Category: First Generation Magna]]
	[[Category: Second Generation]]		[[Category: Second Generation Magna/Verada]]
	[[Category: 2.6L Technical]]		[[Category: 2.6L Technical]]

Administrator: Protected "1g Astron II" [edit=sysop:move=sysop]

2008-01-18T11:21:32Z

Protected "1g Astron II" [edit=sysop:move=sysop]

New page

The '''first generation Astron II''' was an improved version of the original [[Astron]] which debuted in the late 1970s. The first Astron was revolutionary as it was the first engine to use [[balance_shaft|balance shafts]] to make the engine feel much smoother.

The Astron II was only available in 2.6 litre form. The 2.6 litre engine was praised for being powerful, economical and refined.

The engine was fitted to all first generation Magnas and carby second generation models. Second generation Magnas fitted with EFI used a [[2g_Astron_II|revised]] version of the engine.

{|
|
==Technical Specifications==
[[Image:1g_efi_engine.jpg|200px|right|thumb|A first generation EFI engine in the car]]
{|cellpadding="3" align="left"
|'''Type'''
|In line 4 cylinder overhead cam with counter balance shafts. Transversely mounted
|-
|'''Displacement'''
|2555cc (2.6 litres)
|-
|'''Bore'''
|91.1mm
|-
|'''Stroke'''
|98mm
|-
|'''Maximum oversize'''
|1.00mm
|-
|'''Compression Ratio'''
|8.8:1
|-
|'''Firing Order'''
|1,3,4,2
|-
|'''Power output (Carby)'''
|83 kW @ 5200 rpm, 200Nm @ 2400 rpm
|-
|'''Power Output (EFI)'''
|93 kW @ 4800 rpm, 205 Nm @ 2400 rpm
|-
|colspan="2"|'''HEAD SPECIFICATIONS'''
|-
|'''Type'''
|Alluminum Alloy with hemispherical combustion chambers and crossflow design
|-
|'''Inlet Valve Diameter'''
|46.00mm
|-
|'''Exhaust Valve Diameter'''
|38.00mm
|-
|'''Valve Face Angle'''
|45 º
|-
|'''Valve Clearance'''
|Maintained by hydraulic lash adjusters
|-
|colspan="2"|'''CAMSHAFT SPECIFICATIONS'''
|-
|'''Inlet Opens'''
|25º BTDC
|-
|'''Inlet Closes'''
|59º ABDC
|-
|'''Inlet Duration'''
|264º
|-
|'''Exhaust Opens'''
|64º BBDC
|-
|'''Exhaust Closes'''
|20º ATDC
|-
|'''Exhaust Duration'''
|264º
|-
|'''Overlap'''
|45º
|-
|'''Inlet Cam Lobe Height'''
|42.50mm
|-
|'''Exhaust Cam Lobe Height'''
|42.56mm
|-
|'''Nominal Cam Lift'''
|10.50mm
|}
|-
|{{Mitsubishi Engines}}
|}
[[Category: First Generation]]
[[Category: Second Generation]]
[[Category: 2.6L Technical]]