Also am looking at buying this oil for the car....

https://www.opieoils.co.uk/search/go?w=Millers CFS 5W40

Opie oils have advised this is the best application for my car, it’s remapped and decatted etc.

Anyone have any experience with it?

Car is a fast road daily soon to be fitted with full 2.5 inch turbo back, hybrid Pd150 turbo and front mount intercooler and 312mm brake conversion (already have all my in possession).

Charlie