Many of the abovementioned troubles, especially too much oil usage, may lead to turbo failure inside the Mazda RX-7 FD. The turbochargers need a continuing source of oil to keep them lubricated and cooled, and if there are actually oil problems, the internals will overheat on account of excessive friction. https://jdm-mazda-rx-7-fd-13b-rew02996.ourcodeblog.com/34031423/a-review-of-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale