ENGINE - Continued
Cylinder Block - Continued
(3) Measure each cylinder bore at four locations as indicated by letters A, B, C, and D. Take two readings at
each location, 90 deg. to other as indicated by letters XZ and WY.
(4) The difference between the two readings at each level (out-of-round) must not exceed 0.0010 in. (0.030
When measuring cylinder block bore, block should be flat on floor, main bearing caps installed and
tightened to a torque of 240 ft lb (325 Nm).
(5) Record the average of both readings taken at each level. These measurements must not exceed those
shown below. Taper between levels C and D must not exceed 0.0010 in. (0.030 in.)
Maximum Allowable Average
Measurement at Location