Originally Posted by archie123456789 ^ ph16 po... standard lang yung vtec dito satin. it still uses all the 16 valve. vtec-e is part of the d15b series. this vtec uses only 12 valve on normal and city driving then kung hataw dun gagana lahat. AFAIK, same lang ata yung ph16 sa d16 and ph15 sa d15.. Local name lang dito sa atin yung PH16.