It absolutely was the primary 4B1 engine to get launched, and it absolutely was set up inside the 2.4 L design on the Outlander plus the Delica D:five. The bore is 2mm wider than 4B10 and 4B11, making it a extensive-stroke engine using a long stroke. The 4B11 and 4B10 are determined by this engine, with decreased bore and stroke.Thinking of