chassis over tray ?
I am about to put a j concepts over tray on. question is are you running it in summer temps? if so are you putting vent holes and where?
they make one with a vent in the front for airflow< my dad alredy asked me about airflow when i told him i wanted one!
i didnt run mine much this summer because of the overtray, only at night(plus my lights are cool to run at night). Today i just installed an 80mm pc fan and it is working great. I still need the fan guard (on order from amazon) and the 11.1 lipo to run the fan (small 800mah). Once i have those parts i'll test it and take pictures.