most of my friend using shell helix ultra 15w/50
coz i supply them with cheap price ...hahaha rm120 per bottle.outside rm170++
if u want ,i can sell to u olso...hahaha
I have a SMT6 in my N/A Wira tuned during a typical hot Malaysian afternoon. During hot days in the afternoon...the car runs great - engine revs smoothly and car feels torquey...