i don't know why and how proton comes out with the engine code s4ph. in normal engine design, i would read s4ph as straight 4 piston high and read s4pe as straight 4piston enough... hahahahahaha
dats a gud 1 david enough of the campro 1.3 its really under powered but can upgrade to 1.6 by just replacing with a 1.6 stroker and conrods plus 1.6 ecu walla dapat 1.6 the camprofile and all remains the same.
http://www.motorauthority.com/wp-content/uploads/Subaru/Impreza/STI/Spy/subaru_sti_spy01.jpg
Subaru’s upcoming Impreza STI has been spotted undergoing testing at the Nurburgring ahead of its official launch, tipped...