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351 boss

  1. Pump gas on static compression of 12.5:1

    Engine Articles
    Hey everyone I am building a 351 cleveland with 4v closed chamber heads. I had some flat top pistons on my first build and now want to try pop up pistons to raise the compression to around 12.5. I have heard that if you run a big enough cam and your dynamic compression is below 8:1, you can run...