Jeep Engines - Oljeep

336 MOPAR PERFORMANCE PARTS1990,4.2L ENGINE SPECIFICATIONSNote: The following information has been reprinted from the 1990 Jeep Wrangler Service Manual.CamshaftTappet ClearanceEnd PlayBearing ClearanceBearing Journal DiameterNo. 1No. 2No. 3No. 4Base Circle RunoutCam Lobe liftValve LifeIntake Valve TimingOpensClosesExhaust Valve TimingOpensClosesValve OverlapIntake DurationExhaust DurationConnecting Rodszero lash (hyd.) tappetszero (engine operation)0.025-0.076 mm51.54-51.56 mm51.28-51.31 mm51.03-51.05 mm50.78-50.80 mm0.03 mm max.6.43 mm10.29 mm9 O BTDC73O ABDC57O BBDC25O ATDC340262O262O0.001-0.003 in.2.029-2.030 in.2.019-2.020 in.2.009-2.010 in.1.999-2.000 in.0.001 in. max.0.253 in.0.405 in.-Total Weight (less bearings)Total length (center-to-center)Piston Pin Bore DiameterConnecting Rod Bore (less bearings)Bearing ClearancePreferredSide ClearanceMaximum TwistMaximum Bend695-703 groms149.17-149.28 mm23.59-23.62 mm56.08-56.09 mm0.03-0.08 mm0.044-.050 mm0.25-0.48 mm0.025 per 25.4 mm0.0127 per 25.4 mm24.5-24.9 OZ.5.873-5.877 in.0.9288-0.9298 in.2.2080-2.2085 in.0.001-0.0025 in.0.0015-0.0020 in.0.010-0.019 in.0.001 per in.0.005 per in.CrankshaftsEnd PlayMain Bearing Journal DiameterMain Bearing Journal WidthNo. 1No. 2No. 3-4-5-6-7Main Bearing ClearancePreferredConnecting Rod Journal DiameterConnecting Rod Journal WidthMaximum Out-of-Round (All Journals)Maximum Taper (All Journals)0.038-0.165 mm63.489-63.502 rnm27.58-27.89 mm32.28-32.33 mm30.02-30.18 mm0.03-0.06 mm0.051 mm53.17-53.23 mm27.18-27.33 mm0.013 mm0.013 mm0.0015-0.0065 in.2.4996-2.5001 in.1.086-1.098 in.1.271-1.273 in.1.182-1.188 in.0.001-0.0025 in.0.002 in.2.0934-2.0955 in.1.070-1.076 in.0.0005 in.0.0005 in.J8909-172