I was sharing the photo of the oil filter housing leak when I noticed a small speck of green in the left of the frame. After going back out to the garage, I was able to confirm that the radiator was leaking. The O-ring that sealed the bottom of the drain plug had dry rotted and failed at life. A quick trip to O-Reily’s got a replacement and the deal was sealed – literally. Added a quart of coolant and we’re ready to move on for hours of driving time or dynos.