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0305tur Part1boost03 Z

In order to resurface the decks, the two halves need to be disassembled and resurfaced individually. Once the engine is squared, Mike machined a step deck on the surface. What this does is provide much tighter clamping around the combustion chamber area.
Subaru WRX Tuning Attack: EJ20 Engine Build

 In order to resurface the decks, the two halves need to be disassembled and resurfaced individually. Once the engine is squared, Mike machined a step deck on the surface. What this does is provide much tighter clamping around the combustion chamber area.  View Related Article

 

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