THanx for all of u guys who are reading this post. anyways i just bought some AEM pulleys for my 5th gen 98 lude and i am wondering will i feel a difference? so far i have AEM CAI... and thats it =) hehehe so will i feel a diff with the CAI and AEM Pulleys? or any other pulleys well someone let me know thanx =P and is there a way u can mess up ur engine? if u install them wrong? whats the worse thing that can happen if u install them wrong getting mechanic to do it but just in case he messes's up a lil paranoid thats all well sorry this is so long but any posts will be appreciated!! =)