I recently got my 454 running, it had been sitting in my driveway for about 4 years and came out of a seemingly ok running truck that had no problems. I put in a fresh batch of zinc oil (new cam) and have run it about an hour total, idling and a quick run or two around the block. I noticed the oil seems to be somewhat milky on the dipstick. Could this be from condensation that has accumulated over the years it had been parked? Im nervous that I have some other issues. How much water does it take to turn the crankcase oil milky?

TIA guys Joe