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  1. YOUR opinion on this ENGINE - CIH 1.6 N - head budget rebuild

    6F - Engine Rebuilding
    Hey everyone, So the engine (CIH 1.6N) on my ascona B decided to quit on me about a year ago. Since I knew "nothing" about mechanics I decided to seek for professional help. They said it was the head-gasket and that it would cost me north of 650€ to replace it. Being a college student, i'm...
  2. Street porting a 1.9 big valve head

    Opel Engine Performance Modifications
    I've had a lot of requests to share information about porting a 1.9 head for street use. Here's a pictoral on doing it yourself. This is not an end-all method by any means, it is simply a safe way to port a 1.9 head to improve performance rather than hurt it. This particular head is a 1971 1.9...
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