Car appreciation... the aesthetics, the engineering, etc

You are reading a single comment by @mespilus and its replies. Click here to read the full conversation.

•

Dammit

Any reason to avoid topping up an engine full of 10w40 Mobil one with 10w40 Castrol GTX?

•

mespilus in reply to @Dammit

I thought Mobil One was fully synthetic,
whereby you need 'Edge' or 'Magnatech Stop Start' from Castrol;
http://www.castrol.com/en_gb/united-kingdom/car-engine-oil/engine-oil-type/fully-synthetic-oils.html

About

@mespilus started