Originally Posted by notEworthy27 totoo ba ito? eh nagpapalit ako ng shell helix every 5k.... anong klasing Helix bro? Shell Helix Diesel Plus 10W-40 (synthetic) = 10000kms Shell Helix Diesel Super (multi-grade) = 5000kms pero never ko pa natry ang Helix.. ok ba performance sir? maka-Petron kasi ako e..