318 low-rpm performance ........... for the NEWBE

Icetech said
The answer is "Magic!!!" same reason a 408 is ungoldy amazing and a 390 is garbage :)

I've come to learn that also applies to 383 vs 400, 340 vs 360, and even 327 vs 350!

Despite what logic might dictate, and the "gospel except as noted" mantra about "no replacement for displacement".