@hhh
i also use high octane from PSO , but my car`s running is very low so cant really notice anything , and the other car is on cng ...
@air
yar mostly people complained abt shell , while others said kay almost every other patrol pump is selling ....there were even some people saying kay govt nay allow kia hua hai ???..bikers very easily identify the quality of patrol as far as i know 
i dunno how true is all this