Need help asap 340

Anyone,
Please help me make a decision, I have a 73 duster 340 4 speed with 3.90 gears, I have some engine issues..pushrods came up through rockers on number 2 and number 8, the engine was just rebuilt 200 miles ago....I assume I have stuck lifters and prob wiped out the new comp cam also...her is my dilema, I have 10K to drop into engine (wife give me green light) what would you do assuming the low end is still good shape, heads,headers,supercharger or stroke it to 416, or just top end kit with cam heads and up the carb? PLEASE ANY SUGGESTIONS WOULD BE GREATLY APPRECIATED, IF ANYONE DOESNT WANT TO TYPE...pm ME AND i WILL GIVE YOU A CALL!!