lol, sorry man, i find it hard to put my thourghts and explanations into words, the only benefit a catch can gives you is keeping your throttle plate and inlet system free from oil contamination and fouling. the way the engine breather works iz on open throttle conditions it draws the hot crank case/internal engine gasses som of which are oil vaper som are combustion gasses getting past the piston rings, out of the engine block, so as to not presurize the crank case, and uses thm in the inlet charge. now the first problem wen you turn off the engine after a run, its insides cool slower thn the