The Official Studebaker Reference Guide 1956 Truck 2E Series No pictures at this time Truck Model Engine Used Engine Model Crankcase Cap. Qts. Cooling Cap. Qts. 2E5 own 1E 5 10 1/2 2E6 own 4E 6 15 1/2 2E7 own 2E 6 20 1/4 2E11 own 4E 5 15 1/2 2E12 own 2E 5 20 1/4 2E13 own 3E 5 20 3/4 2E14 own 4E 5 15 1/2 2E28 own 3E 5 20 3/4 2E38 own 5E 5 20 3/4 Serial Number Plate Location: On seat riser, left side Engine Number Location: 6 cyl - At the top left side front corner of the cylinder block. 8 cyl - On top, front end of cylinder block next to oil filler tube. Production Information: n/a General Engine Specifications: Engine Model # of Cyl - Bore & Stroke Displacement Compression Max Brake H.P. Max Torque H.P. Oil Pressure Lbs. 1E 6 - 3 x 4.375 185 7.50 92@3800 152@1800 40 2E 8 - 3.5625 x 2.812 224 7.50 140@4500 202@2800 40 3E, 5E 8 - 3.5625 x 3.250 259 7.50 141@3800 225@2400 40 4E 6 - 3.3125 x 4.750 246 7.50 106@3400 204@1400 40 Engine Tune-Up Specifications: Model Firing Order Spark Plug Type Spark Plug Gap Valve Seat Angle Intake Tappet Exhaust Tappet Valve Spring Pressure lb @ inch 1E 153624 Champ. J7 .030 45 .018C Note#1 .018C Note#1 130 @ 1 3/4 2E 18436572 Note#2 Champ. H10 .035 45 .024H .024H 110 @ 1 11/16 3E, 5E 18436572 Note#2 Champ. H10 .035 45 .024H .024H 110 @ 1 11/16 4E 153624 Champ. J7 .030 45 .018C .018C Note#1 130 @ 1 3/4 Note#1: If valve covers are marked .016, disregard and set at .016 Note#2: Cyl numbering: Left bank: 1-3-5-7, right bank: 2-4-6-8. Piston, Rings & Bearings: Model Wristpin Dia. Piston Clearance Comp. Ring Gap Oil Ring Gap Crankpin Dia. Rod Bearing Clearance Main Journal Dia. Main Bearing Clearance Crank Endplay 1E .750 .002 Note#3 .007 .007 1.81175 - 1.81275 .0005 - .002 3.0623 - 3.0628 .0005 - .0025 .003 - .006 2E .875 .002 Note#3 .008 .008 1.99925 - 2.00025 .0005 - .002 2.4995 - 2.5000 .0005 - .0025 .003 - .006 3E, 5E .875 .002 Note#3 .008 .008 1.99925 - 2.00025 .0005 - .002 2.4995 - 2.5000 .0005 - .0025 .003 - .006 4E .875 .002 Note#3 .008 .008 2.18675 - 2.18775 .0005 - .002 2.8745 - 2.8750 .0005 - .0025 .003 - .006 Note#3: Using a 1" feeler a pull of 11 to 16 lbs on a spring scale should be necessary to withdraw the feeler past the piston. Engine Tightening Specifications: Torque specifications are for clean and lightly lubricated threads only. Dry or dirty threads produce increased friction which prevents accurate measurement of tightness. Model Spark Plug Cyl Head Bolts Intake Manifold Exhaust Manifold Rocker Arm Shaft Rocker Arm Cover Connecting Rod Cap Main Bearing Cap Flywheel to Crankshaft Vibration Damper or Pulley 1E, 6-170 Note#4 25-30 46-50 25-30 25-30 None None 28-32 88-93 33-35 130-140 1E, 6-170 Note#5 25-30 46-50 25-30 25-30 13-17 20 in. lbs. 28-32 85-95 33-35 130-140 1E, 6-185 25-30 46-50 18-22 18-22 None None 50-55 88-93 33-35 130-140 2E 25-30 55-65 26-30 25-30 55-60 8-10 in. lbs. 52-54 85-95 33-35 130-140 3E, 5E 25-30 55-65 26-30 25-30 13-17 8-10 in. lbs. 52-54 85-95 33-35 130-140 4E, 6-245 25-30 55-65 25-30 25-30 None None 52-54 85-95 33-35 130-140 All measurements are in ft. lbs. unless otherwise listed. Note#4: Side valve engine. Note#5: Overhead valve engine. Table of Contents | Chapter 6 - Studebaker Trucks