terrible 2.3 miss

[t9racing]

Recently installed 503 lift can hydraulic lifters and developed bad miss running 5.2 stock bottom end holley 500 ct mels ignition system on a 3/8 mild banked track any suggestions??

[CnDRacing]

Valve springs, vacuum leak, carb needs tuned to match vacuum signal of new cam just to name a few

[t9racing]

Springs are good I wouldn't know where to start on tuning the carb