I'd sell them and get a set with the correct 145* angle. It was posted earlier that with your current timing, the 155* would still spray in the bowl, but if you want to bump up timing at a later date you may run into problems. A good set shouldn't run you much more than the 370's did. There are also better DV's out there than full-cuts.
On the subject of air, Jkidd at DieselAutoPower sells custom piping for compounds for $1200. If you could find a primary for cheap, you cold possibly have a compound setup using the stocker for under two grand.