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  1. M

    70 Mach Numbers Matching Question

    I would like to find a correct date coded 351C 4V engine for my 70 Mach 1. The Marti states the following: Order received and Car Serialized 4/24/70, Bucked 4/28/70, Actually built and Released 5/1/70. What date range on the engine should I look for?
  2. M

    1970 351C 4v intake manifold

    I currently have an Offenhauser intake on my 1970 351C 4v car and would like to replace it with a stock manifold. I have located one with the stamp code of DOAE-9425-L. I have an interchangeable parts manual that says my motor requires DOAZ-9424-C. I am new to this and still trying to figure...