Brainstormin' 440 vs 5.9 ...

Here's a 5.9l short block topped with an Edelbrock head flows less than IQ52's head but better cam making 448 hp @ 5,800 rpm.

Small Block Mopar Engine - Junkyard Jewel 5.9l Mopar Magnum - Engine Buldup

RPM	Base TQ	Mod TQ	Base HP	Mod HP
3,000	398	37.31	228	212
3,200	410	373	250	227
3,400	419	390	271	253
3,600	424	402	290	276
3,800	420	408	304	295
4,000	412	412	314	314
4,200	396	420	316	336
4,400	381	431	319	361
4,600	362	432	317	378
4,800	346	434	317	397
5,000	328	434	312	413
5,200	298	433	295	429
5,400	274	426	282	438
5,600	-	417	-	444
5,800	-	406	-	448
6,000	-	361	-	41