OK so I replaced all the baffling on toe PA12 O-320 Cylinder 3 and 4 hotter than heck 420 degrees on the rise. Really nothing noticeable. All right back to my aerobatic days and the heat issues. Take a piece of hose and tape it to the bottom underneath the cowl, cause some turbulence, tape around the oil cooler in front of the cowl, voila instant relief. Not there quite yet but making progress maybe when the cylinders are broke in. Sorry assed cowl design, I’m afraid I’m going to have to keep throwing money at her and install an aft oil cooler and maybe a different air filter design.. I’m all ears opinions and facts appreciated..