Originally posted by g026r drmoss_ca used to post about developing Ilford XP2 Super, another C41 black & white, using standard black & white chemistry. He eventually had an article up on Ilford's site, if you're curious to see a few other options.
I develop XP2 in Caffenol CL or CLCS since years
Suzuki Optical Co. Press Van • Asahi Kogaku Takumar 1:3.5 F=75mm
Ilford XP2 Super 400 @100 ISO developed in Caffenol CLCS 80min stand @ 15-20°C
Scanned with Epson Perfection V500 at 2400dpi and Betterscanning MF Film Holder
Steinsel • Luxembourg
Caffenol CLCS
500 ml Filtered Water
8gr Anhydrous Washing Soda
5gr Vitamin C
0.5gr KBr
20gr Instant coffee ("Cora")
60 sec. slow agitations then let stand for 79 minutes