Apex seal fragments could also trigger excessive oil usage since they harm the rotor housing, letting oil to creep throughout the apexes and in to the combustion chamber. However, the Mazda RX-7 FD needs additional specialised routine maintenance than most cars with traditional piston engines, which may be fiscally draining. https://jdm-mazda-rx-7-fd-13b-rew22653.iyublog.com/36861146/the-5-second-trick-for-jdm-mazda-rx-7-fd-13b-rew-engine-for-sale