Today was the day for Mabel to get her oil changed. There’s always a huge argument about which kind of oil to use in these old cars, but we won’t get into a debate about that, I’ll just let you know what I use and what works for me. I always start with getting the car as level as possible, running the engine long enough to get the old oil nice and warm so it’ll drain easily. I remove the oil drain plate (10mm) and let the oil drain into the oil catcher. I’ll let the oil drain for at least 30 minutes or so. This is also a good opportunity to tidy up the bottom of the engine, removing any oil and dirt from the cooling fins. I also like to give the oil drain plate a fresh coat of paint, just to make it look nice. Oil changing kits are readily available and pretty cheap. Most will come with new copper washers, gaskets and a oil strainer. If you’re re-using your oil strainer, just clean it good with a degreaser and make sure there isn’t any sludge in it. I usually use the strainer twice before replacing it with a new one. When you put your oil drain plate back on, make sure you use the correct washers and have the gaskets in the correct place. Do not over tighten the nuts that hold the plate in place. Just hand tighten them. My engine requires 2.65 quarts of oil, your engine probably requires the same amount. I use 2.15 quarts of Rotella T 15w-40 and .5 of the STP oil additive. I use the oil additive for its zinc content. Your air cooled engine will love this combination!