Cheaper than dirt 318 build

here's a 230 cam with magnum heads and 10:1 cr makes 400 hp

318 Engine Build - A Parts Book 400HP 318 - Mopar Muscle Magazine

and here's a 218 cam stock 318 heads 8.?:1 makes 282 hp

318 Long Block Bolt Ons - Tech Articles - Mopar Muscle Magazine

here's a stock 5.9l magnum making 311-327 hp depending on exhaust.

Installing Exhaust Headers Into 300hp Crate Engine - Mopar Muscle Magazine