Coolant comming out of header tank vent
Aircraft is Skyfox same as kitfox however the radiator is in behind the engine under the top cowl, all the Kitfox that i have seen have it under the bottom cowl.
If i keep the CHT below 125 its not an issue but you can't maintane climb. Climb is normaly 500FPM at 5000rpm.
any ideas?