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  1. 2ZZ Blown Head Gasket - What are the possible causes?

    Repair & Maintenance
    I have been around 2ZZ's for a while and used to have a Turbocharged Corolla XRS. RIP. However this time around I am helping my buddy fix his Fiance's XRS. The head gasket blew between cylinders 1 and 2. Confirmed by the machinist at the engine re-builder we used to check and resurface the...