sino sa inyo taga mandaluyong at regular na nagpapakarga sa Shell Gas station in shaw blvd, the one between acacia lane and 9 de febrero?

their unleaded is about P1.90/lit lower than most gas station (by the way most gas station in shaw blvd, mababa ang presyo).

the problem i noticed is when i fill up with them, mabagal ang hatak ng ride ko, hindi smooth and when i looked at the plug, medyo maitim.

i tried filling up at another shell in san francisco near municipal hall and the response is better, when i looked at the plug, it's cleaner. i've done this several times already.

im beginning to suspect that the former shell's unleaded is of low quality. could it be that they are not getting it from shell that is why they can give it at that price? imagine P1.90 lower.

am experimenting kasi with different fuels and i happen to encounter this.

anybody here can make a comment?