WHAT DOES JDM MAZDA RX-7 FD 13B-REW ENGINE FOR SALE MEAN?

External oil leaks from the Mazda RX-seven FD are due to worn-out oil seals and O-rings that crack because of outdated age. This rarely takes place, but examining the oil amount routinely though inspecting for leaks is good given that they might go undetected, leading to oil starvation.Anything at all greater than that is about-boosting and could a