Varies with motor-the bigger it is the less req'd to achieve that level.
Low compression, 2bbl carb = 230 hp High compression, 4bbl carb = 290 hp 1964 442 330 engine = 310 hp
You don't repair compression rings you replace them.
He has 30 hp and 30 attack
compression
The Ancient Mew card has 30 HP.
Should be 110 PSI
It should be at least 70 psi
Higher compression ration which can increase hp. I installed 49cc heads on my 305 instead of the 64cc and got a higher compression ration and a fair amount of hp gain.
30 compression and 2 ventilation
They heal 30 hp.
Good compression, good heads, good cam.
120 is nominal