All the abovementioned problems, Specifically excessive oil consumption, could lead on to turbo failure in the Mazda RX-seven FD. The turbochargers require a continuing supply of oil to help keep them lubricated and cooled, and if you can find oil troubles, the internals will overheat on account of excess friction. https://jdm-mazda-rx-7-fd-13b-rew65219.blogsumer.com/33144456/details-fiction-and-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale