All of the abovementioned challenges, especially abnormal oil consumption, could lead to turbo failure while in the Mazda RX-7 FD. The turbochargers want a constant supply of oil to maintain them lubricated and cooled, and when there are oil difficulties, the internals will overheat as a result of surplus friction. https://jdm-mazda-rx-7-fd-13b-rew00874.glifeblog.com/32772686/rumored-buzz-on-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale