An excellent explanation
20W-50 Engine Oil Comparison – Murphy, my 1972 MGB GT Blog
So for a selection of recommended classic car engine oils click …… classic car oil
information about the MGB and MGB GT classic cars including news and reviews, techs and specs – also updates on repairs, servicing and diy modifications I do on my own MGB Roadster
An excellent explanation
20W-50 Engine Oil Comparison – Murphy, my 1972 MGB GT Blog
So for a selection of recommended classic car engine oils click …… classic car oil