Quote:
Originally Posted by vtec to vvel
Chevron with Techron, although Chevron offers their additive in every grade, whereas Shell only offers Nitro in their premium grade.
|
Actually i mean,how many Octane grade in Shell or Chevron[S'pore know as Caltex]...For Caltex,S'pore offered 4 grade,92,95 & 98 Octane[RON].