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Cam shaft lobe question

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  • Cam shaft lobe question

    Does anyone know the runout on the cam lobe that the fuel pump runs off of? thanks.

  • #2
    What year and CID??

    Comment


    • #3
      oh geez that was dumb. lol.. 56 power hawk, 259 v8

      Comment


      • #4
        All '55 to '64 V-8 Fuel Pump Cam Lobes are the same, with the exception of the (4) types of R Series Engines, in spite of the Lark/Hawk Chassis Parts Manual error.

        In other words contrary to common belief, to run at it's optimum, the R Series large bowl Carter Super Pump needs the unobtainium R1-4 Fuel Pump Cam Lobe! [:0]

        StudeRich
        Studebakers Northwest
        Ferndale, WA
        StudeRich
        Second Generation Stude Driver,
        Proud '54 Starliner Owner

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        • #5
          I think the number you are looking for is .260, + or - .010. You don't say whether the cam is in or out of the engine. If it's in
          you could probably use a dial indicator to make the measurement.
          Hope this helps.

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          • #6
            yeah cam is in the engine still

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            • #7
              It might be helpful to have some information on the issue you're
              having with your fuel pump. Is it pumping? The measurement of
              .260 inch should be a good starting point to check whether the cam
              is doing its job.

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