I modded the mockup of my install a bit. Asthetics are everything with me. The bottle sat too low for my tastes. I added a riser made from 1" steel square tubing riser under the mounting bracket to raise the overflow bottle up, and have the drain tubing run straight from the radiator neck to the overflow. Now i have to sink in another rivnut into my framerail, but no biggie, i feel better about how it all looks now.