So short background story, as I was getting ready to swap heads onto my car, I've been looking into getting a camshaft while I'm tearing it apart. I found a deal online for an anderson b4 and the only downside is the camshaft lobes have a tiny bit of surface rust? On them. Should I stay away or can tghey clean up relatively easy? Could I go look at it and see if they'll clean up before I buy it? A quick response is greatly appreciated!