In my experience, the best thing to do is just call the cam company or your local parts house and ask. At the parts store you can go in and look at what different, what will need stouter springs, what won't. They will usually give a description too, you know like, "street performance with slight lope", or "added performace with good mileage". If you call crane or lunati, someplace like that, and tell them what you're doing they will suggest a cam for you. There are a lot of little factors that can effect the final outcome, the cam guys know best.