I started using valvoline full sysnthetic 5w30 about 1000miles ago. I get it for free so I can't complain. The only thing is it's winter here in CT and on initial start I have a slight tap due to oil just starting to be pumped up to the head.mr_cool_guy said:dose anyone use valvoline synthetic or dose it suck?
i up to know i think have been useing 10-30 valvoline synthetic.