The spring force to the Check out valve is barely enough to keep oil from draining again to the sump. As opposed to some other engines that run them at bigger RPMs the 4A-GELU squirter is in consistent operation, aiding in cooling and lubrication. I put bars on top and https://stephencdbzx.full-design.com/how-much-you-need-to-expect-you-ll-pay-for-a-good-4age-engine-sale-69559307