race veterans plz help!!!!!!!

Well update I used my holley dp 750 with proform mainbody and I ran a 12.3 only 104 and my car was falling off at 5700 rpm and then I dedided to go solid cam and port and flow my eddy heads and my victor now my heads flow 284 @ 600 and my intake flows a lot more cfms too and when I tore it down I miced my cam and saw it was flattened out..lol hopeing to run low 11s