FB25 Subaru Engine - AustralianCar.Reviews: #1 for
10.3:1: FB25 block. The FB25 engine had an open-deck, aluminium alloy block with 94.0 mm bores and a 90.0 mm stroke for a capacity of 2494 cc; within the cylinder bores, the FB25 engine had cast iron liners. Due to its revised connecting rods and valvetrain components, the FB25 block was the same size as its EJ253 …
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