which one do you prefer?
i think they are both Group iv...
( i wanted to use mobil 0w-40 new life,but i found out it is Group iii)
http://www.opieoils.co.uk/pdfs/castrol/EDGE Range/castrol-edge-0w-40-a3-b4.pdf
http://www.opieoils.co.uk/pdfs/MOTUL/motul-8100-x-cess-5w-40.pdf
what concerns me,is that castrol states that this oil is for high reving engines(so it has to be thick at operating temp) and i am worried it might have an impact to fuel consumption comparing to the xcess that is not so "racing" oil..
any opinions?
i think they are both Group iv...
( i wanted to use mobil 0w-40 new life,but i found out it is Group iii)
http://www.opieoils.co.uk/pdfs/castrol/EDGE Range/castrol-edge-0w-40-a3-b4.pdf
http://www.opieoils.co.uk/pdfs/MOTUL/motul-8100-x-cess-5w-40.pdf
what concerns me,is that castrol states that this oil is for high reving engines(so it has to be thick at operating temp) and i am worried it might have an impact to fuel consumption comparing to the xcess that is not so "racing" oil..
any opinions?