Let's put a mild 8.2:1 360 on the dyno.

The head flows.

......These 675 heads...............stock 596 360 heads

Lift..........IN/EX.............................IN/EX

.100........74/59.............................57/49
.200.......128/119..........................112/88
.300.......173/150..........................168/109
.400.......184/170..........................194/136
.500.......189/182..........................192/142
.600.......191/189..........................196/144

So, the cams and no other changes.

260H cam 260/260 adv. .440/.440......stock 318 cam, 240/248 adv, .374/.399 lift

RPM.........TQ/HP.............................TQ/HP

2500.......362/172..........................353/168
2700.......354/182..........................351/180
2900.......362/200..........................358/198
3100.......369/218..........................355/209
3300.......369/232..........................357/225
3500.......366/244..........................354/236
3700.......366/258..........................345/243
3900.......366/272..........................343/255
4100.......364/284..........................331/258
4300.......351/287..........................312/256
4500.......341/292..........................303/259
4700.......341/305..........................294/263
4900.......326/304..........................277/258
5100.......304/295..........................260/252
5200.......299/296..........................254/252

Both cams made peak torque and peak horsepower at the same rpm. Both of them, when they got into their power range, just held on and kept going.