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  1. waped exhaust manifold

    Tuning & Upgrades
    Broken 4 studs in cylinder 1 and 5. It´s not to much warped (+ - 2mm). Does some one know what class\grade studs are used from standard? I´m thinking of using grade 8\class 10.9 studs with proper washers (don´t know why Alfa didn´t use any :furious:) and copper lock nuts. Upgraded studs is...