For future reference you can take out those screws around the flange of the pump, pop the bottom off and rotate it to any position you need. Just put the screws back in, tighten them equally, and you're good to go. That same pump fits a wide range of models, but they did move the lines around a bit. Adjusting the line like you did is easier. Glad it worked out for you!

Now, let's talk about what you're going to do to that C10 - maybe a blown 454, dropped spindles or even bag it to get it in the weeds, tub the back for some huge meats in back.......