On the list of things that could bring about excessive oil consumption is apex seal failure which will cause elevated clearance involving the rotor and housing. This permits internal oil leakage in to the combustion chamber leading to grey smoke with the exhaust. Actually I've acquired parts from several importers https://httpsjdmengineforsalecomp95274.life3dblog.com/36598667/an-unbiased-view-of-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale