FA20E and FA20F Subaru Engines - australiancar.reviews
Furthermore, the connecting rod bearings were made from a copper-based alloy. The FA20E and FA20F engines are understood to have cast aluminium pistons. A 'hybrid' coating is applied to the piston skirts to reduce friction, while the top of the pistons has a crown shape with a shallow dish-like cavity for stable combustion on start-up.
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