Is it just me or do the most recent Pennzoil uoa's seem to have less stout add packs? From all of the ones I've seen, they usually have atleast 2400 ppm calcium for PYB and 2500-2800 for Platinum and Ultra...thoughts?
http://www.bobistheoilguy.com/forums/ubbthreads.php/ubb/showflat/Number/3357973/gonew/1/Pennzoil_Ultra_5w20_%7C_13229mi_#UNREAD
http://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3356612/Pennzoil_5w30_Blend,_09_Luxus_#Post3356612
http://www.bobistheoilguy.com/forums/ubbthreads.php/ubb/showflat/Number/3357973/gonew/1/Pennzoil_Ultra_5w20_%7C_13229mi_#UNREAD
http://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3356612/Pennzoil_5w30_Blend,_09_Luxus_#Post3356612