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How can I tell if rocker arms have been hard welded?

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    How can I tell if rocker arms have been hard welded?

    Is there a way to tell if a set of rocker arms have been hard welded? Also, will putting a "new" set of hard welded rockers on a used camshaft be fine? Also, I have read that hard welded rockers can actually eat up some camshafts depending on how hard the cam is. "Hot Cams" is the brand I read about having that problem. My cams are old Vance & Hines. Think that would be an issue? They are .340 lift. The rockers still look great but my head builder might be putting in heavier springs and I would hate for those to eat up my rockers. Thanks

    #2
    Look around the edge of the pad. You should be able to tell. Old V&H cams would be fine.
    Speed Merchant
    http://www.gszone.biz

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      #3
      Originally posted by Big Jay View Post
      Look around the edge of the pad. You should be able to tell. Old V&H cams would be fine.
      Thanks. I compared mine to another stock set and they look the same. My machinist said I should be fine without the hardweld rockers with just a .340 cam.

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        #4
        You will be fine .340 lift cams are very mild cams. I would install a set of APE valve springs and titanium retainers. Then have the spring pressure set a 45lbs.
        My stable
        84 GSX1100EFG-10.62 @ 125 mph 64'' W/B.
        85 GS1150-9.72@146mph stock W/B.
        88 GSXR1100-dragbike 9.18@139.92mph/5.68@118mph.
        98 Bandit 1200-9.38@146mph/6.02@121mph.
        90 Suzuki GS 1425cc FBG Pro Stock chassis 5.42@124mph
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          #5
          Also if you have hard weld cams then use hard weld rockers and you have billet cams use stock rockers.
          My stable
          84 GSX1100EFG-10.62 @ 125 mph 64'' W/B.
          85 GS1150-9.72@146mph stock W/B.
          88 GSXR1100-dragbike 9.18@139.92mph/5.68@118mph.
          98 Bandit 1200-9.38@146mph/6.02@121mph.
          90 Suzuki GS 1425cc FBG Pro Stock chassis 5.42@124mph
          06 GSXR750 10.44@135mph
          00 Honda elite 80 pit bike

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