MITSUBISHI 4M40 & 4M40T CYLINDER HEADS
THESE CYLINDER HEADS SUFFER FROM POROSITY BEHIND THE CERAMIC PRECOMBUSTION CHAMBERS. THIS PROBLEM DOES NOT SHOW UP ON A NORMAL PRESSURE TEST WITH THE PRECOMBUSTION CHAMBER STILL FITTED.
MITSUBISHI 4M40 & 4M40T CYLINDER HEADS
THESE CYLINDER HEADS SUFFER FROM POROSITY BEHIND THE CERAMIC PRECOMBUSTION CHAMBERS. THIS PROBLEM DOES NOT SHOW UP ON A NORMAL PRESSURE TEST WITH THE PRECOMBUSTION CHAMBER STILL FITTED.