Difference between revisions of "4G9x family"

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The 4G9x family are a series of in-line 4 cylinder engines by Mitsubishi. They range in size from 1.5 to 2.0 litres. Unlike the [[Astron]] and [[Sirius]] engine families, the 4G9x family does not feature [[Balance shaft|balance shafts]].
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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 family engines have a cast iron block with alluminium head and belt driven overhead camshafts.
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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 bore 77.5 mm stroke. Both the SOHC and DOHC featured 4 valves per cylinder.
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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 4G91 was not widely used in Australia.
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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.
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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 18:20, 23 November 2018