The Next Step...
...is to buy a Koger Sunshade. I haven't done much hot weather flying in my -8 yet, but I went up yesterday afternoon and felt the heat on the back of my neck and my bald spot!
RV-8 #81077 Super Slow Build
Titan IOX-370, Dual P-Mags, AFP FM200A FI, Sensenich GA Prop
First Flight November 20, 2016 - Phase One Complete June 1, 2017