I was able to get quite acceptable results on VC fiber paper, but yes, it took some tweaking. Start with about double your normal exposure time, and a minimum of grade 3 - 4 (LOTS of magenta filtration). I'd also investigate split-grade printing to coax the best possible out of this film. If your exposure technique is solid, you just need to get the first print dialed in and then your printing times/filtrations will be very consistent from that point onward.