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  1. M

    stock cam lobe centers

    :1zhelp: anybody know how to degree stock cams? using the 3 holes in stock cam gears? I had head cut .020 and block cut .020 and want to make sure cams are set to factory spec. I saw post saying intake open at 6 btdc closes at 50 abcd exhaust open 53 bbdc close 3 atdc. How is this measured ?Or...
  2. M

    Question on head porting?

    Anybody know why or why not to round the metal in the intake port between the intake valves? It is in the bottom of the intake runner and in most pictures of ported heads it is not rounded off.
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