I ordered my new injection pump today and the guy at the pump shop said that they send out all there pumps at 17 degrees. When i get my new pump I'll be running a100 plate, 90hp injectors, 4000gsk, and 191 dv's. With this setup wouldn't 17 be to much. I was thinking 15. 5 maybe. I am also still running stock head studs. Thanks guy's.