If you look at these 3 Chev engine built pretty much to the same spec except the 350 has a hydraulic cam, They are making about 355 hp but at different rpms, 302 @ 6600 rpms, 327 @ 6100 rpms and 350 @ 5400 rpms, first thing most are gonna say is yes they make same hp but look at the torque difference, but you shouldn't be gearing these 3 engines similar obviously the 302 is gonna need the deepest set of gears 327 a little less and 350 less than that. So at any given mph the 327 and 302 will/should be turning a higher rpm putting it in it's powerband and should be putting similar hp and torque to the ground.
For most obviously the 350 would be considered the most streetable followed by the 327 then 302, which is a personal choice but for full throttle performance if geared and stalled right should have similar capability.
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