Hyundai (Mitsubishi) Engine Tech Info

G4CS engine with forged internals

Here is some info that you may find helpful when building one of these engines

6-Bolt Engines

mm

inches

G4CS Hyundai engine (2.4 liter)    
Cylinder Bore 86.50 3.406
Cylinder Bore .020" over 87.00 3.425
Cylinder Bore .040" over 87.50 3.445
Stroke 100 3.937
Rod Length 150 5.905
Deck Clearance .20 .008
Block Height 235 9.255
SOHC head cc's ??? ???  
DOHC head cc's 47cc 2.868 ci
Piston Pin diameter 21mm .827"
Head Gasket Thickness 1.10 .042
     
4G63 DOHC Mitsubishi turbo (2.0 liter)    
Cylinder Bore 85.00 3.346
Cylinder Bore .020" over 85.50 3.366
Cylinder Bore .040" over 86.00 3.386
Stroke 88 3.465
Rod Length 150 5.905
Block Height 229 9.015
DOHC head cc's 47cc 2.868 ci
Piston Pin diameter 21mm .827"
Head Gasket Thickness 1.10 .042
     

7 Bolt Engines

   
4G64 DOHC Mitsubishi turbo (2.0 liter)    
Cylinder Bore 86.50 3.406
Cylinder Bore .020" over 87.00 3.425
Cylinder Bore .040" over 87.50 3.445
Stroke 100 3.937
Rod Length 150 5.905
Deck Clearance .20 .008
Block Height 235 9.255
SOHC head cc's ??? ???  
DOHC head cc's 47cc 2.868 ci
Piston Pin diameter 22mm .866"
Head Gasket Thickness 1.10 .042
     
4G63 DOHC Mitsubishi turbo (2.0 liter)    
Cylinder Bore 85.00 3.346
Cylinder Bore .020" over 85.50 3.366
Cylinder Bore .040" over 86.00 3.386
Stroke 88 3.465
Rod Length 150 5.905
Block Height 229 9.015
DOHC head cc's 47cc 2.868 ci
Piston Pin diameter 22mm .866"
Head Gasket Thickness 1.10 .042
     
     

 

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