Looking at the AWI 4 into 1 for my RV8 , what about cabin heat ?
Should be plenty of room for a big muff on the #1 downtube....assuming you want a muff, a nest of scat hoses, and a big hole in the firewall, all just to get iffy heat.
I wired for hot vest power ports instead. Equal and independent heat front and rear. However, we're now into the third winter and we've never plugged one in. The Showplanes canopy seals better than the slider, so the solar heater has been plenty here in the South.
Looking at the AWI 4 into 1 for my RV8 , what about cabin heat ?