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  1. Exhaust Leak, Dual Carbs, header bolt clearances, best way forward?

    6D - Exhaust System
    So I have been working for the past several days to install a dual 40 DCOE set up on my 1.9L GT. I'm using the Dbilas shorty intakes with an OGTS shorty header. Currently I'm using the stock M9 x 1.25 x 30mm hex header bolts standard on US GTs, and have run into the problem of extreme difficulty...
  2. Opel CIH performance parts supplier

    General Discussions
    I came across this site and they have a ton of parts for our CIH engines. Here is a link to the search results on their website. Search Results - "opel cih" - Dbilas Dynamic Does anyone have any experience with this company?
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