You are deadlifting 220lbs, weigh 191lbs, and you think you need to switch to power cleans? How did you draw this conclusion? If you were deadlifting 320 or more...maybe that would be a good option. (probably not at your age though) If you want to do PC's to learn the movement, have at it. But the reason for switching to a PC is to provide the lifter a lower stress between days 1 and 3 to dissipate fatigue, not because it causes the most stress. You are no where near needing power cleans in your programming. Strength training is force production, a 230lb deadlift requires a lot more force than a 65lb power clean.
Here are a couple suggestions: Follow the program. Eat, we are the same height, close in age and I weigh 30lbs more. Add weight to every workout and ask yourself the "first three questions." (
The First Three Questions | Mark Rippetoe)
When you truly get fatigued because of the weight, probably around 315lbs (or more), add a midweek light day at 85%. After that, there are couple more options described in the MED Article linked earlier.
Good luck!