Castrol 10w-40 oil explained, Which oil for my car?

Castrol launches new GTX range aimed at Africa

What could be possible engine damage if I use 20W40 grade engine oil on a motorcycle instead of 10W40, which is the recommended grade? I did it once unintentionally and ran almost

New Castrol 10w60 oil approved for the M engines

Castrol EDGE Titanium 5W-40 5W40 Fully Synthetic Engine Oil - 4 Litre 4L

Car oil or motorcycle oil: what's the difference?, Car engine oil explained

CASTROL 1 Quart 5W-40 Motor Oil for Maximum Engine Protection and Performance in the Motor Oil & Additives department at

Understanding Engine Oil - The Filter Blog

Sludge can block your engine's vital oilways like cholesterol and if untreated, can rob an engine of its power and ultimately its life. Castrol GTX is

CASTROL 160 fl. oz. 10W-30 Engine Oil 15B7AA - The Home Depot

Castrol Castrol Power1 Racing 10W-50 HC-Synthetic, 4T Engine Oil

Castrol Actevo X-tra 4T Synthetic Blend 10W40 Quart

Castrol Power1 10W-40 4t Synthetic Engine Oil for Bikes 1L Available in Best Price. - China Oil, Lubricant Oil

Castrol launches new GTX range aimed at Africa

Castrol GTX oil