Horsepower Estimate?

Imagine what the rest of the muscle cars had for real hp if the 340 only had 280 or 290
sucking the paint off 383s some 440s 390 ford 390 amc 400 gtos 396 chevelles easy some 375hp 396s
mopar under rated the 340
chevy over rated there engines
289 ford hipo engine way over rated 235 stock slow as piss and weighed zilch
383 mopar over rated big time
454 ls-6 didnt make the number without headers
buick engines legit 455
455 poncho legit
440 4 barrel close to legit
dz302 dog motor below 5k rpm
boss302 dog motor below 5500 rpm
t/a 340 6pk sucked the paint of those stock quarter mile t/a 14.0@100 the boss and dz302 ran 15s thats 10 car lengths