All of the abovementioned concerns, Specifically extreme oil consumption, could lead to turbo failure in the Mazda RX-seven FD. The turbochargers need to have a continuing supply of oil to maintain them lubricated and cooled, and if you will find oil problems, the internals will overheat due to surplus friction. https://jdmmazdarx-7fd13b-rewengi49000.blogocial.com/an-unbiased-view-of-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale-69551993