Good God guys, anytime anyone asks about a cam or heads and intake everyone jumps on the Ed and Jay train.
There are MANY more ways to get good power without contacting either of them. Yes that wouldn't be a bad way to go but its certainly not the only way you should go.
Edelbrock RPM II intake (don't go with the Victor, I think you will lose too much torque down low) or a Systemax 2 intake. I'm not a fan of Trickflow intakes. The RPM II intake made more power and torque over the Track heat intake on the MM&FF 347 setup. The R and up intake (box) are more for 351cid+.
Heads you
could send you Performers off to get ported and bigger valves but I honestly wouldn't put the money in them. Sell those heads and pick up a set of AFR 185s or maybe some of the new Trickflow "fast as cast" heads. I think either would be good on a 331. Those heads would be a perfect match for a 331 like you want and if you felt like you wanted to try it you could go with some AFR 205s or TW 185s. Any of these heads you will be happy with.
As far as cams go...yes you can contact Jay Allen or Ed Curtis
But there are definately other ways to go. I sold a cam I had grinded by Jay Allen on here and I had lost the cam sheet. I emailed Jay, called Jay, the guy that bought my cam emailed Jay. We asked him if he could simply give us the specs for the cam. We never heard a word from him. (3 weeks went by) I just took the cam to a speed shop around here and they put it in a Cam Doctor and it spit out the specs. However I wouldn't waste my time with either Jay or Ed again.
If you do, hope you have better luck than me and people I've known.
I personally would go with AFM. Unlike Ed or Jay you atleast know what you are getting and just not sending them money and hoping for the best.
Anderson Ford Motorsport Home Page Call and talk to Rick or Brian. They will set you up with the best cam, heads, and intake.
ALOT of fast cars use their parts and you can actually call them tomorrow and talk to them and not a voice mail.
Good luck!!!!