Originally Posted by
cossie604
^^ to try and counter act against surge during hard cornering, ie track use, is the common reason.
Ive started using the latest Castrol 10w60....noticed my oil pressure seemed to be really stable regardless of oil temp with this particular oil.
Im going to try the 10/60 castrol next as im on millers 10/60 at the moment but not many places stock this.
