THE DEFINITIVE GUIDE TO JDM MAZDA RX-7 FD 13B-REW ENGINE FOR SALE

For each apex (corner of a triangle) on the rotor, there’s a seal that retains the corresponding chamber airtight, and every apex seal is loaded by using a flat spring to keep up contact with the housing. Apex seals and springs are expected to wear out immediately after about a hundred,000 miles or a lot less, but there are other triggers of apex