THE 5-SECOND TRICK FOR JDM MAZDA RX-7 FD 13B-REW ENGINE FOR SALE

One of the things that could induce extreme oil use is apex seal failure which results in amplified clearance amongst the rotor and housing. This allows interior oil leakage into the combustion chamber causing gray smoke within the exhaust.For example, Mazda reinforced the rotors and apex seals and added an additional oil cooler and cooling channel