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Recent content by Rob_G

  1. Rob_G

    best grade of aluminum for rocker arm

    jgKRI, thanks for the backing. You are right this is a one off project. I have made my own aluminum connecting rods with no failure on a 700 hp motor, so I am not too worried about doing a rocker arm. As far as the design there are 1000's of aluminum rockers to reference off of. I am not trying...
  2. Rob_G

    best grade of aluminum for rocker arm

    should the material be extruded rectangle bar? As far as why, 1st my engine is a 540 C.I. Buick with an aftermarket cylinder head, and anything for Buick is hard to get and 2nd it is very expensive. I own my own machine shop and have made connecting rods, billet intake manifolds and other...
  3. Rob_G

    best grade of aluminum for rocker arm

    Hey guys, I am new to the board and I need to manufacture a set of rocker arms for my race car and am looking for the correct material for this application. 2024 seems to show up in searches but my main concern is what temper is best for the fatigue that this part will see. Thanks Rob
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