318 La with 360 heads

Street/strip 350hp+

Build like if it's a 340 head flow cam cr = power.
The only main difference is powerband will be 300-400 rpm higher than a similar built 340, needing deeper gearing and more stall.

https://www.hotrod.com/articles/0810phr-chrysler-318-engine/

318 Small Block Build - How To - Hot Rod Magazine

Iron-Headed Mopar 318 Magnum Engine- Popular Hot Rodding Magazine

318 Engine Buildup & Dyno Test - Mopar Muscle Magazine

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