Various Tables of Info
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Various Tables Of Info

This Is A Work In Progress!!!
These are excerpts of some of the handier tables from How To Modify Your Nissan/Datsun OHC Engine by Frank Honsowetz.

Basic Engine Specs Four Cylinder L-Family
Engine Disp cc/ci Bore mm/in Stroke mm/in
L-16 1595/97.3 83/3.267 73.7/2.902
L-16+1mm 1636/99.8 84/3.31 73.7/2.902
L-18 1770/108.8 85/3.346 78.0/3.071
L18+1mm 1816/110.8 86/3.39 78.0/3.071
LZ-20b 1951/119.1 85/3.346 86.0/3.39
LZ-20b+1mm 2005/122.3 86/3.39 86.0/3.39
LZ-22 2187/133.4 87/3.43 92.0/3.62
LZ-22+1mm 2230/136.1 88/3.46 92.0/3.62
(KA)Z-24 2389/145.7 89/3.504 96/3.78
(KA)Z-24+1mm 2438/145.7 90/3.54 96/3.78
Basic Engine Specs Six Cylinder L-Family
Engine Disp cc/ci Bore mm/in Stroke mm/in
L-24 2391/145.9 83/3.267 73.7/2.902
L-24+1mm 2454/149.8 84/3.31 73.7/2.902
L-26 2562/154.3 86/3.39 73.7/2.902
L-26+1mm 2630/160.5 87/3.43 73.7/2.902
L-28 2753/168.0 86/3.39 79/3.11
L-28+1mm 2824/172.3 87/3.43 79/3.11
Common Non-Standard Four Cylinder Bore and Stroke Combo's
Engine Disp cc/ci Bore mm/in Stroke mm/in
L-16 Bore/L-18 Stroke 1686/102.9 93/3.267 78/3.071
+1mm 1731/105.6 84/3.31 78/3.071
L-18 Bore/L-16 Stroke 1672/102.0 85/3.345 73.7/2.902
+1mm 1716/104.7 86/3.39 73.7/2.902
LZ-20b Bore/LZ-22 Stroke 2086/127.2 85/3.345 92/3.62
+1mm 2141/130.6 86/3.39 92/3.63
LZ-22 Bore/LZ-20b Stroke 2052/125.2 87/3.43 86/3.39
+1mm 2089/127.4 88/3.46 86/3.39
Z-24 Bore/LZ-22 Stroke 2287/139.6 89/3.504 92/3.62
+1mm 2335/142.3 90/3.54 92/3.62
Z-24 Bore/LZ-20b Stroke 2142/130.7 89/3.504 86/3.39
+1mm 2186/133.4 90/3.54 86/3.39
Common Non-Standard Six Cylinder Bore and Stroke Combo's
Engine Disp cc/ci Bore mm/in Stroke mm/in
L-28 Bore/L-20a Stroke 2434/148.5 86/3.39 69.7/2.744
+1mm 2492/152.0 87/3.43 69.7/2.744
L-28 Bore/LD-28 Stroke 2901/177.0 86/3.39 83/3.267
+1mm 2967/181.2 87/3.43 83/3.267
L-24/26 Bore/LD-28 Stroke 2699/164.7 83/3.267 83/3.267
+1mm 2766/168.7 84/3.31 83/3.267
L-28 Bore/L-24 Stroke 2575/157.1 86/3.39 73.7/2.902
+1mm 2636/160.8 87/3.43 73.7/2.902
Stock Piston Specs
Application Bore Size mm Pin Height mm Dish Volume cc
L-16 83 38.1 7.01
L-24 83 38.1 0
L-18 85 38.1 4.36
L-20b 85 38.1 11.36
Z-20S 85 35.56 ?
Z-20E 85 31.75 ?
L-28 86 38.1 10.9
L-28 after 7-80 86 38.1 0
Z-22S 87 35.0 9.32
Z-22E 87 3.25 9.32
Stock Connecting Rod Specs
Application Center to Center Length mm Bolt Size
L-16 to 3-72 133 8
L-16 4-72 on 133 9
L-18 133 9
L-20b 145.9 9
Z-20 152.45 9
Z-22S 145.9 9
Z-22E 152.45(?) 9
L-24 to 4-71 133 8
L-24 to 7-81 133 9
L-24 7-81 on 133 8
L-26 130.2 9
L-28 130.2 9
Stock Valves
Engine Intake Diam mm Exhaust Diam mm Intake Length mm Exhaust Length mm
L-13 38 33 115.9 116.0
L-16 early 38 33 115.9 116.0
L-16 late 42 33 115.2 116.0
L-18 42 33 115.2 116.0
L-20a 38 33 110.7 110.7
L-24 to 8-73 42 33 116.5 116.0
L-24 8-76 on 42 35 116.5 116.0
L-26 42 35 116.5 116.0
L20b 42 35 115.2 116.0
L-28 to 7-80 44 35 115.2 116.0
L-28 7-80 on 44 35 113.1 113.9

These Tables Were Compiled From Various Sources
Transmission Gear Ratios
Application Type First Second Third Forth Fifth
510 Sedan Short Tail 3.382 2.013 1.312 1.000 N/A
510 Wagon Short Tail 3.657 2.117 1.419 1.000 N/A
240z-280z 4 Speed Long Tail 3.592 2.246 1.415 1.000 N/A
'77-'79 200sx Short Tail 3.382 2.013 1.312 1.000 .854
Roadster 5 Speed Long Tail 2.960 1.855 1.310 1.000 .850
280z 5 Speed Long Tail 3.321 2.077 1.308 1.000 .864
8/78-7/79 280zx Long Tail 3.321 2.077 1.308 1.000 .864
8/79-6/80 280zx Long Tail 3.062 1.858 1.308 1.000 .773
7/80-6/83 280zx Long Tail 3.062 1.858 1.308 1.000 .745
810 Long Tail 3.321 2.077 1.308 1.000 .864
810 Maxima Long Tail 3.321 2.077 1.308 1.000 .864
NisMo Wide Long Tail 3.321 2.077 1.308 1.000 .864
NisMo Close Long Tail 2.906 1.902 1.308 1.000 .864
NisMo Option 1 Long Tail 2.818 1.973 1.470 1.192 1.000
NisMo Option 2 Long Tail 2.348 1.601 1.296 1.138 1.000
NisMo Option 3 Long Tail 2.192 1.601 1.470 1.138 1.000
NisMo Option 4 Long Tail 3.321 2.270 1.601 1.240 1.000
200sx 6/79-6/81 Long Naps Z 3.321 2.077 1.308 1.000 .864
200sx 7/81-9/83 Long Naps Z 3.592 2.246 1.415 1.000 .813
200sx 10/83-10/84 Long Naps Z 3.592 2.057 1.361 1.000 .813
200sx 11/84-2/86 Long Naps Z 3.321 1.902 1.308 1.000 .833

Torque Wrench Settings L-Series Four
Bolt Setting lb-ft
Cam Sprocket 100-108
Cam Thrust Plate 4-7
Cam Shaft Tower 10-12
Crank Pulley 100-108
Flywheel 100-108
Head Bolts (L-16) 40
Head Bolts (L-18/L-20b) 61
Main Caps 30-40
Manifold (8mm) 8.7-11.6
Manifold (10mm) 25-35
Manifold Nuts 8.7-11.6
Oil Pan 5-7
Oil Pick-Up 8-10
Oil Pump 9-11
Rocker Arm Pivot Nut 40-44
Rod Bolts (8mm) 20-24
Rod Bolts (9mm) 33-40
Spark Plug 12-15
Spray Bar Bolts 5-6
T. Chain Guide 7
T. Chain Tensioner 7

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