I found Ruff Code to be stiffer than Black Code. I would up the tension a pound or two to make it a similar feel. But, I would try Pro's Pro Blackout too. It is very similar to Black Code but much cheaper.
Head Men's Tennis Coach @ Yeshiva University. Pro Kennex Ki-5(R) & Gamma RZR 98 (L)
Dunlop Black Widow 17 (63lb) Babolat N.Vy 16 (64lb) USTA 4.5.