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  1. Galaxie Pages
    I have a 390 with hydraulic lifters and cam. The stock rocker arm ratio is 1.73 and I want to replace them with adjustable rocker arms but all I can find are 1.76 ratio. Is this going to be a problem or will the slight difference in ratio going to work? Any help or suggestions is greatly...
  2. All Ford Techboard
    I have a mild hydraulic cam & just installed aluminum heads and intake on my 390. Some of my push rods aren't spinning at TDC. Should I get adjustable rocker arms?
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