Jeep Engines - Oljeep

- --T 74.0L POWER TECH IN-LINE 6 (ENGINE ASSEMBLY) 275Rocker Arms, Push Rods and TappetsRocker Arm Ratio ..........................1.6:l..........................Push Rod Length. 244.856-245.364 mm 9.640-9.660 in.Push Rod Diameter .........................7.92-8.00 mm 0.312-0.315 in.Hydraulic Tappet Diameter .....................22.962-22.974 mm0.904-0.9045 in......................Tappet-to- Bore Clearance 0.03-0.05 mm 0.001 -0.0025 in.ValvesValve Length(Tip-to-Gauge Dim. Line)(Intake) .............................(Exhaust) ............................Valve Stem Diameter ........................Stem-to-Guide Clearance ......................Intake Valve Head Diameter. ...................Intake Valve Face Angle ......................Exhaust Valve Head Diameter ...................Exhaust Valve Face Angle ......................Maximum Allowable Removed farTip Refinishing ..........................122.4-122.8 mm 4.822-4.837 in.122.8-123.2 mm 4.837-4.852 in.7.9 mm 3.12 in.0.03-0.08 mm 0.001 -0.003 in.48.5 mm 1.91 in.45'38 mm 1.50 in.45"0.25 mm 0.010 in.Valve SpringsFree Length ............................. 46.22 mm opprox. 1.82 in. approx.Spring TensionValve Closed ........................... 293-329 N at 41.266-74 Ibf at 1.625Valve Open ............................ 91 1-978 N at 30.4Inside Diameter ...........................205-220 Ibf at 1.20024.08-24.59 mm 0.948-0.968 in.