This is to split my "..hosed CAM.." thread in vintage as the topic has dug up some interesting fodder on engine de-humidifiers as perhaps part of some mitigation to engine aspects of extended airframe ground time/humid environments.  By way of context, this came out of discussions on dealing what perhaps may be higher susceptibility to lifter corrosion in the lifter/CAM engagement of the IO360 engines.... or rephrased: "maybe if I manage ground engine humidity,  it could help avoid having t