Datsun Specific Tech Information
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Assume SI units unless otherwise noted
4 Cylinder Engines
Specs for Modified L/Z Series Engines (L22 etc)
6 Cylinder Engines
Stock L6 Series Engine Specs (Z cars)
Stock V6 Series Engine Specs (VG, VE, VQ)
Detailed Engine Specifications (Nissan/Datsun engines)
Rod Lengths & Piston Pin Heights
Cylinder Head Specs (valve & port sizes, chamber volumes)
VG30E Quick Reference:
| cylinders | 6 | # |
| bore | 87 | mm |
| stroke | 83 | mm |
| head volume | 52.5 | cc |
| spark plug volume | 0 | cc |
| piston dish | 1 | cc |
| gasket thickness, squished | 1.27 | mm |
| gasket volume, squished | 7.55 | cc |
| piston pin height | 31.75 | mm |
| rod length | 154.15 | mm |
| block deck | 227.45 | mm |
| piston deck | 0.05 | mm |
| deck volume | 0.30 | cc |
| total combustion chamber volume | 61.35 | cc |
| cylinder displacement | 493.41 | cc |
| engine displacement | 2960.45 | cc |
| 180.96 | cu in | |
| static compression ratio | 9.04 | CR |
| rod:stroke ratio | 1.86 |
4 Cylinder Engines - Stock L/Z series
|
Designation |
Displacement (cc) |
Bore x Stroke (mm) |
CR |
hp / rpm (hp) |
torque / rpm (lb/ft) |
Notes/Applications |
| L16 | 1595 | 83 x 73.7 | ~9:1 | est 80 / 5600 | stock P(L)510 engine, factory rated @ 96hp. 170hp in race trim possible | |
| L18 | 1747 | 85 x 77 | varies | 105 / 5000 | stock 610 engine, legal in many SCCA classes | |
| L20-B | 1952 | 85 x 86 | 8.5:1 |
stock HL510 engine, 227.45mm block deck fully counter-weighted crank. 140-150hp w/ head work & induction upgrades easy... 180-200hp possible w/ $$$ |
||
| Z20 | 1952 | 85 x 86 | ~8.5:1 | same dimensions as L20B, x-flow head, typically not regarded as a performance engine. Block nearly identical L20B. | ||
| Z22 | 2188 | 87 x 92 | ~8.5:1 | stock 720 truck/200sx engine. note long stroke. Same external dimensions as L20B/Z20. Z22 short block base for popular "L22" combo (Z22 block + L head). | ||
| Z24 | ? | ? | ? | last Z series engine, only used in trucks. Block is taller than L20B/Z22 and requires motor mount mods to fit under 510 hood. |
4 Cylinder Engines - Modified L/Z/SR/CA series
|
Designation |
Displacement (cc) |
Bore x Stroke (mm) |
CR |
hp / rpm (hp) |
torque / rpm (lb/ft) |
Notes/Applications |
| L16 | 1595 | 83 x 73.7 | ~9:1 | est 80 / 5600 | stock P(L)510 engine, factory rated @ 96hp. 170hp in race trim possible | |
| L18 | 1747 | 85 x 77 | varies | 105 / 5000 | stock 610 engine, legal in many SCCA classes | |
| L20-B | 1952 | 85 x 86 | 8.5:1 |
stock HL510 engine, 227.45mm block deck fully counter-weighted crank. 140-150hp w/ head work & induction upgrades easy... 180-200hp possible w/ $$$ |
||
| Z20 | 1952 | 85 x 86 | ~8.5:1 | same dimensions as L20B, x-flow head, typically not regarded as a performance engine. Block nearly identical L20B. | ||
| Z22 | 2188 | 87 x 92 | ~8.5:1 | stock 720 truck/200sx engine. note long stroke. Same external dimensions as L20B/Z20. Z22 short block base for popular "L22" combo (Z22 block + L head). | ||
| Z24 | ? | ? | ? | last Z series engine, only used in trucks. Block is taller than L20B/Z22 and requires motor mount mods to fit under 510 hood. |
6 Cylinder Engines - Stock L series (Z cars)
|
Designation |
Displacement (cc) |
Bore x Stroke (mm) |
CR |
hp / rpm (hp) |
torque / rpm (lb/ft) |
Notes/Applications |
| L20A | ||||||
| L24 | 83 x 73.7 | ~9:1 | 150 | Stock 240Z engine. | ||
| L26 | ~8.5:1 | 150 | Stock 260Z engine | |||
| L28 | 86 x 78 | ~8.5:1 | 150 | Stock 280Z engine | ||
| L28E | 86 x 78 | Stock 280ZX engine, Bosch port FI | ||||
| L28ET | 86 x 78 | 7.8:1 | 185 | Stock 280ZX turbo, 5.5psi boost, non-intercooled | ||
| LD28 |
6 Cylinder Engines - Stock V6 (300ZX, Pathfinder, Maxima, etc)
|
Designation |
Displacement (cc) |
Bore x Stroke (mm) |
CR |
hp / rpm (hp) |
torque / rpm (lb/ft) |
Notes/Applications |
| VG30E | 2985 | 87 x 83.7 | ~9:1 | 165 | stock Z31 300ZX engine, popular 510 swap | |
| VG30ET | 2985 | 87 x 83.7 | ~7.8:1 | 222 | stock Z31 300ZXT engine | |
| VG30DE | ||||||
| VG30DET | ||||||
| VE30E | ||||||
| VG33E | ||||||
| VQ30DE | ||||||
| VQ30DET | ||||||
| VQ35DE |
| Engine | Deck |
| L-13/16/18/20/24/26/28 & Z-20 | 207.85mm |
| L-20B, Z22/24, & KA24 | 227.45mm |
| VG30/33 (calculated not measured) | 227.5-228mm |
| VQ30 | ? |
| VQ35 | ? |
Rod Lengths & Piston Pin Heights
| Engine | Rod Length | Piston Pin Height |
| L-13 | 139.9mm | 38.1mm |
| L-16/24 | 133.0mm | 38.1mm |
| L-18/26/28 | 130.2mm | 38.1mm |
| L20B | 145.9mm | 38.1mm |
| Z20S, Z22S, & some Z22E | 145.9mm | 35.5mm |
| Z22E | 149.5mm | 35.5mm |
| Z20E | 152.5mm | 35.5mm |
| Z24 & KA24 | 165.0mm | 34.0mm |
| VG30/33 | 154.2mm | 31.75mm |
4 cylinder heads, sorted by casting number
'210' (open chamber) - stock L16 head, small valves
'210' (shallow open chamber) - rumored to be OE on L13 engines, tiny valves
'210' (peanut chamber) - closed chamber, rare, small ports, small valves, 41-43cc vol.
'A87' (peanut chamber) - usually closed chamber, JDM L18E(?), 1 3/8" ports, 41-43cc vol.
'U67' - early L20B head, open chamber, big valves, 1 3/8" ports, 41-43cc.
'W53' - closed chamber, sourced from ?
to be continued...
Intake & Exhaust
Fuel Injection, Ignition & Engine Management
Clutches, Transmissions, & Diffs