The B303 cam is a decent camshaft for the price its worth. Its not the best camshaft out there but its decent. If you can invest in getting a better camshaft, get a TFS 1 camshaft designed for boosted mustangs or contact Anderson Ford Motorsport to see what camshaft they would recommend for boosted mustangs. You want a mid range camshaft so it pulls like a freight train down below since your not going over 6000 RPMs on a stock 302 block. I am thinking Anderson Ford Motorsports would recommend their B31 or N41 camshaft but see what they suggest for you.
Don't you ever call the almighty b303 cam decent. It's power and torque are unmatched in awesome gains throughout any sbf Windsor application.