360-383 A-debate...max builds need not apply.

a B for under $600? NFW, Unattainable at that price around here....heck a 361 gets that much (short block only.... $300). Only 383 on craigs in SoCal is a 67 single snorkle $1500 pan to air cleaner, and it has center dump logs so its no Roadrunner motor.

340 Mopar Engine NEW!!! - $5,000 (Hesperia)
Mopar 360 Engine - $500 (Lake Forest)
360 MOPAR motor, broken down - $225
1973 dodge cylinder heads 340/360 cu in rebuilt - $650

not much more locally. I rolled on a 68 383 for $600 4 years ago and the guy blew me off with higher offers.
yeah, here I can get 383/400's pretty cheap. Right now there is a complete but very rusty '76 C body with a 400 4bbl for 600 bucks. Ran when parked. There you'd get your 400, 727, radiator, and 100 bucks back at the scrap yard, not counting if ya talked him down a 100 or so.... and he can't sell it. I bought a low mileage RV 440 last year carb to pan for 500.