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Austin 12/4 Cylinder Heads

This high compression head is showing part no 1B255. 03
This is the low compression head part no E9019
See here, the hole through to the water jacket! it must have been a faulty casting because there is no excessive rust shown anywhere else on the head
This shot shows both the HC and LC heads. There is a huge difference in the combustion chambers

 

I believe that the high compression head is of Ricardo design. Ricardo was a patented combustion chamber design.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 You buy a car, but you invest in an AUSTIN...You buy a car but you invest in an AUSTIN... You buy a car but you invest in an AUSTIN