5W30 is not only okay, it is recommended.
you should never mix regular oil with synthetic. it will harm your engine over time. i would go get everything flushed out then add either one or the other.
30 QUARTS
IT'S A 530
Attack of the Show - 2005 1-530 was released on: USA: 15 June 2007
530
530
It takes 600 ml into tne engine and 900ml into the gearbox
location of thermostat on internationl havester 530?
530
The 2012 Nissan GT-R's engine produces 530 hp @ 6400 rpm.
530
530 + 50% = 530*1.5 = 795