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  1. M

    Runs slower after new metal head gaskets

    So because of the cams is why the car aint running as good anymore? and is that also why the engine sounds diferent and its RPMs go down when its warming up?
  2. M

    Runs slower after new metal head gaskets

    Dont know, but the sound that its making would be more of a clicking, almost as it were a fan near the back of the engine... ive tried taking it to get dyagnostics done, but no shop deals with supras. how can i check if its the cams?
  3. M

    Runs slower after new metal head gaskets

    Am loosing my mind on this deal. We replaced the clutch with a stage 3 clutch, and changed the gaskets, valve seals and got the engine machined. now, when i received the car back, my ride is slower than when it was stock, and when i turn the car on... i rev it up to warm the car and the RPM...