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  1. Ceramic impeller Destruction / Failure

    Ceramic impeller destruction So I finally got my car back. Ceramic impeller on the back turbo went during a standard service at the shop i regularly visit. Fortunately I have a warranty on the car and the engine replacement was covered. I have attached some pictures to show what happened...
  2. What part of the stock R33 turbo is ceramic?

    Tuning, Technical Questions
    Hi all, Firstly, apologies if this is answered elsewhere but I've been trawling round a bit and can't find a definite answer. I have 2 turbos for my R33 GTST series 1... 1 - the original stock R33 GTST (removed) 2 - an R34 GTT NEO turbo with steel internals (fitted) my question is what is it...