positron_ wrote:My overflow hose sits atop my Koyo and it does so on the thousands of 240 engine bay pics that I have on my computer so it must not be a problem.
After I install koyo rad, my hose got cut by zip tie. Zip tie was rubbing it and made a hole. I had to buy a new hose. Anyway, stock rubber hose is pretty strong, so don't worry about it. Aluminum radiator gets pretty hot though.