I actually put the oxygen sensors in the collectors of the headers. One on each side. For the o2 sensors to read properly they need to be mounted as close to where the head pipes merge together. On the oil pan, yep, I just picked up one from summit along with the pick up. I also used the Schumacher mounts for the v8 k frame to 360. Literally a bolt in deal. Only mods I had to make we're grinding some of the casting off of the block so the headers would clear. The magnum blocks have a big piece of casting that slightly interferes with the tti headers.
