Gsi Oil?

[jord4n]

What oil should i get for my nova gsi c16se engine?

[Adam]

Gm Semi Synth 10/40w.

[ste porter]

castrol **** has tended 2 make every vauxhal i have ever had and ran on it smoke do not run on castrol the best i have found is gms own 10/40

[jord4n]

cool thanks lads, got my sump gasket to do and a engine flush with some new gm 10/40 goin in tonight.