I thought comp test tells u which piston is broken if one cylinder pressure is significantly lower than others. If two adjecent cylinders are low, MAYBE head gasket leak.

Leak down test tells exactly where is the leak. But if all cyljnders are worn, it would be less effective?

using the Perth-WRX mobile app

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MY08 STI 422whp at 1.5bar on E85, built by Diversion Garage, assembled and tuned by EvoR

Update from new owner: 375whp at 1.4bar on 98, at Tokyo Motorsport