Have a chance to pick up the short block detailed below. What heads and cam would you suggest? For now it would mated to a powerglide with 4 speed plans in the future. 1965 327 small main block, bored .080 over, torque plate honed, square decked, and assembled to short block. The crank is a factory forged steel 350, cut down .150" on the mains and .100" on the rods to pre 1967 sbc standard journal specs. I also added .020" of stroke, just to make it a true 3.5" stroke engine and get the pistons closer to top deck for quench without having to cut a bunch off of the block. The rods are 327 "heavy duty" forgings, and slightly thicker than the typical 283/327 rods (These took a while to find). They have been resized with ARP bolts. Pistons are cast silvolite 350 flat tops, and sealed with Hastings rings. The engine is balanced, assembled, and ready for cam and head selection
Not questioning your words of "old school" but my work up is this is a 366". Old school 327" was a 331" needing a 30-30 Duntov and a set of 1.94's with a 64cc camber. Sounds like you need a more cc's to keep the comp ratio to run on the street if that what your looking for. Your gaining 1/4" stroke over stock and .020" over a stock 350" stroke and a milder cam can work well for torque. Good luck.
Your question has got to be one of the most often covered sbc topics on the HAMB. I have my own thoughts and so do 1000 others, so I'll bow out this time. One thing is your 327's overbore of .080, that's a BUNCH of metal removal. This is an old discussion on that subject from the HAMB. Pay attention especially to post #10. Help://www.jalopyjournal.com/forum/threads/327-chevy-maximum-bore-size.745163/
I know where there is a "complete" 58-62 Corvette 283 4v for 600.00 . Not running but as complete as it was in 64 !