Jeep Engines - Oljeep

- . P F l4.0L POWER TECH IN-LINE 6 (ENGINE ASSEMBLY) 273ICylinder BlockDeck Height. ............................Deck Clearance. ..........................Cylinder Bore Diameter(standard) .............................Maximum Taper. .........................Maximum Out-of-Round .....................Tappet Bore Diameter. .......................Cylinder Block Flatness . ......................239.49-239.64 rnm0.546 mm (below block)98.42-98.48 mm0.025 mm0.025 mm23.000-23.025 mm0.03/25-0.05/152 mm(0.20 mm mox)9.429-9.435 in.0.0215 in. (below block)3.8751 -3.8775 in0.001 in.0.001 in.0.9055-0.9065 in.0.001 /1-0.002/6 in.(0.008 in. mox)Conndng RodsTotal Weight (less bearings) .....................Total Length(renter-to-center) .........................Piston Pin Bore Diameter. .....................Connecting Rod Bore(less bearings) . ..........................Bearing Clearance .........................Side Clearance ...........................Maximum Twist ...........................Maximum Bend ...........................155.52-1 55.62 mm23.59-23.62 mm56.09-56.08 mm0.03-0.08 mm(0.044-.05 rnrn preferred)0.25-0.48 mm0.025 rnrn per 25.4 mm0.01 27 rnrn per 25.4 mm657-665 grams6.123-6.127 in.0.9288-0.9298 in.2.2085-2.2080 in.0.001 -0.003 in.(0.0015-0.002 in. preferred)0.01 0-0.01 9 in.0.001 in. per inch0.0005 in. per inchICylinder HeadCombustion Chamber Volume ...................Valve Arrangement .........................64.45-67 A ~CCEl-IE-IE-El-El-IEValve Guide ID (Integral) ...................... 7.9 mm , 3.12 in.Valve Stem-to-Guide Clearonce .................. 0.03-0.08 mm0.001 -0.003 in.Intake Valve Seat Angle. .......................Exhaust Valve Seat Angle. .....................Valve Seat Width .......................... 1.02-1.52 mm 0.040-0.060 in.Valve Seat Runout. ......................... 0.064 mm 0.0025 in.Cylinder Head Flatness ....................... 0.03/25-0.05/152 mm 0.001/1-0.002/6 in.(0.20 mm max) (0.008 in. max)44.5'44.5"Oil ProssuroAt Idle Speed (600 rprn) . ...................... 13 psi 89.6 kPaAt 1600+ rpm . ........................... 37-75 psi 255.1-517.1 kPaOil Pressure Relief. .........................75 psi51 7.1 kPa