DATSUNCAR CLUB

                                    L24                        L26

   Displacement.............146.0 cu in(2393 cc)        156.6 cu in(2565 cc)
   

   Bore.....................3.27 in(83mm)               3.27 in(83mm)
   

   Stroke...................2.9 in(73.7mm)              3.11 in(79mm)
   

   Maximum BHP..............151 @ 5600 rev/min          165 @ 5600 rev/min
   

   Maximum gross torque.....146 @ 4400 rev/min          157 @ 4400 rev/min
   

   Compression Ratios.......8.8 : 1                     8.3 :1
   

   Oil Pressure (hot).......50 to 57 lb/in2             50 to 57 lb/in2
   

   L24 and L26 Engine Specs below are same:
   

   Crankshaft
   Journal diameter.......................2.1631 to 2.1636 in.
   Max taper of journal...................0.0004 in
   Max endfloat...........................0.0118 in
   Crankpin diameter......................1.9670 to 1.9675 in
   Max taper of crankpin..................0.0118 in
   Main bearing thickness.................0.0717 to 0.0722 in
   Main bearing running clearance.........0.0008 to 0.0028 in
   Running clearance(wear limit)..........0.0047 in
   

   
   Camshaft
   Journal diameter.......................1.8878 to 1.8883 in
   Bearing inside diameter................1.8898 to 1.8904 in
   Running clearance......................0.0015 to 0.0026 in
   Camshaft endfloat......................0.0031 to 0.0150 in
   Camshaft lobe lift.....................0.2756 in
   

   
   Pistons
   Standard diameter......................3.267 to 3.269 in
   Piston to bore clearance...............0.0010 to 0.0018 in
   Piston ring groove width:
     Top compression......................0.079 in
     Second compression...................0.079 in
     Oil control..........................0.0157 in
   

   
   Piston Rings
   Thickness:
     Top compression......................0.0778 in
     Second compression...................0.0778 in
   Ring end gap:
     Top compression......................0.0091 to 0.0150 in
     Second compression...................0.0059 to 0.0118 in
     Oil control..........................0.0059 to 0.0118 in
   Clearance groove:
     Top compression......................0.0018 to 0.0031 in
     Second compression...................0.0012 to 0.0028 in
   

   
   Gudgeon Pins
   Diameter...............................0.8265 to 0.8267 in
   Length.................................2.8346 to 2.8445 in
   Clearance (pin to piston)..............0.0002 to 0.0051 in
   Interference...........................0.0006 to 0.0013 in
   

   
   Connecting Rods
   Distance between centres
          L24.............................5.237 in
          L26.............................5.1319 in
   Bearing thickness(Big End).............0.0588 to 0.0593 in
   Big-end running clearance..............0.0010 to 0.0022 in
   Big-end end float......................0.0079 to 0.0118 in
   

   
   Valves
   Clearance (hot)
          Inlet...........................0.010 in
          Exhaust.........................0.012 in
   Clearance (cold)
          Inlet...........................0.008 in
          Exhaust.........................0.010 in
   Valve Diameter
          Inlet...........................1.65 in
          Exhaust.........................1.38 in
   Valve stem diameter
          Inlet...........................0.3136 to 0.3142 in
          Exhaust.........................0.3128 to 0.3134 in
   Valve Length
          Inlet...........................4.36in (L24)   4.524 to 4.535 in (L26)
          Exhaust.........................4.36 in (L24)  4.555 to 4.567 in (L26)
   Valve lift.............................0.433 in
   Spring free length
          Outer...........................1.968 in
          Inner...........................1.766 in
   Spring coil diameter
          Outer...........................1.307 in
          Inner...........................0.980 in
   Guide length...........................2.323 in
   Guide inside diameter..................0.3150 to 0.3157 in
   Guide outside diameter
          L24.............................0.4718 to 0.4723 in
          L26.............................0.4733 to 0.4738 in
   Guide to stem clearance
          Inlet...........................0.0008 to 0.0021 in
          Exhaust.........................0.0016 to 0.0029 in
   Seat width
          Inlet...........................0.055 to 0.063 in
          Exhaust.........................0.071 to 0.087 in
   Seat angle.............................45 degrees
   

   
   Torque Wrench Settings
   Cylinder head bolts
          Stage 1.............................29  lbft
          Stage 2.............................40  lbft
          Stage 3.............................60  lbft
   Big-end bolts..............................30  lbft
   Flywheel bolts.............................100 lbft
   Main bearing cap bolts.....................40  lbft
   Camshaft sprocket bolts....................40  lbft
   Sump bolts.................................7   lbft
   Oil pump bolts.............................11  lbft
   Rocker pivot locknuts......................40  lbft
   Camshaft locating plate bolts..............6   lbft
   Manifold nuts..............................8   lbft
   Fuel pump bolts............................13  lbft
   Crankshaft pullet bolts....................100 lbft
   Front cover bolts (LARGE)..................11  lbft
                     (SMALL)..................5   lbft
   Air pump mounting bolts....................18  lbft
   Air pump adjustment strap bolt.............13  lbft
   Clutch bellhousing to engine bolts.........36  lbft
   Torque converter housing to engine bolts...36  lbft
   Driveplate to torque converter.............36  lbft
   Driveplate to crankshaft...................100 lbft
   Propeller shaft flange to pinion flange....23  lbft
   Exhaust downpipe flange nuts...............18  lbft