I bought #721 a couple months ago and then Had a charge air cooler fail, tank cracked at welds. I see there is a lot of info on them failing so I thought I would share this, I had a couple company's quote new one but they were 6 weeks out. I called Atlas and they said three weeks out and I got it in two, the new one is built much better than original and the tanks seem to be built out square tubbing with a extra layer of aluminum welded on the ends.
While doing this I'm having Rad rebuilt, repl