Jeep Engines - Oljeep

~~~2.5L POWER TECH IN-LINE 4 (ENGINE ASSEMBLY) 99Piston Ring Groove Diameter-No.2 CompressionRing ....... 87.63 to 87.88 mm (3.45 to 3.46 in.)Piston Ring Groove Diameter-Oil ControlRing ....... 89.66 to 89.92 mm (3.53 to 3.54 in.)Piston Pin Bore Diameter . . 23.650 to 23.658 mm(0.9312 to 0.9315 in.)Piston Pin Diameter ...... 23.637 to 23.640 mm(0.9306 to 0.9307 in.)Piston-to-Pin Clearance .... 0.0102 to 0.0208 mm(0.0005 to 0.0009 in.)Piston-to-Pin Connecting Rod (Press Fit) . . 8.9 kNOil Pump(2000 lbf.)Gear-to-Body Clearance (Radial) ....... 0.051 to0.102 mm (0.002 to 0.004 in.)Gear-to-Body Clearance (Radial)(Preferred) .............. 0.051 mm (0.002 in.)Gear End Clearance-Plastigage . 0.051 to 0.152 mm (0.002 to 0.006 in.)Gear End Clearance-Plastigage(Preferred) .............. 0.051 mm (0.002 in.)Gear End Clearance-Feeler Gauge. ... 0.1016 to0.2032 mm (0.004 to 0.008 in.)Gear End Clearance-Feeler Gauge(Preferred) ............. 0.1778 mm (0.007 in.)Oil PressureMin. Pressure (600 rpm) ...... 89.6 kPa (13 psi)At Idle Speed (800 rpm) ........ 172 to 241 kPa(25 to 35 psi)At 1600 rpm & Higher ......... 255 to 517 kPa(37 to 75 psi)Oil Pressure Relief ........... 517 Pa(75 psi)