On turbo cars I use 5w50 castrol syntec and on regular cars whatever their recommended grade syntec.
It's not why I prefer castrol but I heard castrol is mazda's oem oil or something like that or at least the castrol's parent company bp makes mazda's oem oil.
Anyone know more about this?
It's not why I prefer castrol but I heard castrol is mazda's oem oil or something like that or at least the castrol's parent company bp makes mazda's oem oil.
Anyone know more about this?
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