Every one of the abovementioned problems, Specifically excessive oil intake, may lead to turbo failure in the Mazda RX-seven FD. The turbochargers need to have a continuing offer of oil to keep them lubricated and cooled, and when there are oil concerns, the internals will overheat due to surplus friction. https://hectorvvmds.blogtov.com/14279618/details-fiction-and-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale