Datsun 620 Specs
General Dimensions
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Length, overall: |
169.2 in. |
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Width, overall: |
62.5 in. |
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Height, overall: |
60.8 in. |
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Wheelbase: |
101.1 in. |
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Weight: |
2286 lbs. |
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Road clearance: |
7.9 in. |
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Gross vehicle payload: |
1441 lbs. |
Drive Train
|
Transmission: |
All-synchromesh Four-speed floor-shift |
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Gear ratios: |
1st, 3.66 2nd, 2.18 3rd, 1.42 4th, 1.00 Reverse, 3.62 |
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Clutch: |
Single dry disc with cushing spring |
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Differential: |
4.38 to 1 |
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Max speed: |
87 mph |
Suspension, Steering & Brakes
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Front Suspention |
Independent torsion bar type with tension rods, tellescopic shocks and stabilzers 1972-1977: King Pin 1978-1979: Ball Joint |
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Rear Suspension |
Longitudinal semi-elliptis leaf spings with telescopic shock absorbers |
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Steering |
Recirculating ball type; gear ratio 19.8 to 1 |
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Brakes |
1972-1977: Hydraulic power-assist drum brakes front and rear. With vacum booster & tandem master cylinder. 1978-1979: Hydraulic power-assist disc brakes front and drum rears. With vacum booster & tandem master cylinder. |
Optional Equipment
Radio
Air conditioning
Clock
Tachtometer
Custom floor mats
Rear step bumper
Track Width
Center of tire to center of tire
“Up to Feb ’73 wheel tread
Front… 1,250mm 49.2″
Rear…. 1,280mm 50.4″
From Mar ’73 to Aug ’74 wheel tread
Front… 1,260mm 49.6″
Rear…. 1,290mm 50.8″
From Sept ’74 to July ’75 wheel tread
Front… 1,260mm 49.6″
Rear…. 1,290mm 50.8″
From Aug ’75 to Jan ’76 wheel tread
Front… 1,305mm 51.4″
Rear…. 1,290mm 50.8″
From Feb ’76 to July ’77 wheel tread
Front… 1,250mm 49.2″
Rear…. 1,290mm 50.8″
From Aug ’77 wheel tread
Front… 1,305mm 51.4
Rear…. 1,290mm 50.8″
Credit: Datzenmike – Ratsun
Engine Specs
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|
L16 |
L18 |
L20b |
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HorsePower @ RPM |
96 @ 5600 |
100 @ 5600 |
112 @ 5600 |
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Ft. lbs. Torque @ RMP |
100 @ 3600 |
100 @ 3600 |
108 @ 3200 |
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Compression Ratio |
8.5:1 |
8.5:1 |
8.5:1 |
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Bore X Stroke |
3.27 X 2.90 |
3.35 X 3.07 |
3.35 X 3.39 |
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Piston Size |
3.2671 – 3.2691 in |
3.3451 – 3.3470 in |
3.3451 – 3.3470 in |
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Cranking Comp |
171 (psi) |
171 (psi) |
171 (psi) |
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Oil Press. |
45-50 (psi) |
45-50 (psi) |
50 – 57 (psi) |
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|
Block Height |
265.9 |
265.9 |
285.5 |
Oils / Fluid Specs
| Engine | Mulitgrade engine oil, API Service SD or SE |
| Manual Transmission / Steering |
SAE 90EP gear oil, API GL -4 *Ensure you use a GL-4 only oil as dual rated GL-5/GL-4 is not the correct oil. |
| Automatic Transmission | Dextron |
| Differential | SAE 90EP gear oil, API GL 5 |
| Brake and clutch fluid | DOT 3 (MVSS 116), SAE J1703C |
Oils / Fluid Capacities
| Engine oil (Crank case) | |
| 1970-1973 and 1975 and later (L16) | 5 qt. |
| 1973-1974 and 1975 and later (L18) | 5.1 qt. |
| 1975 (L20b) | 5.1 qt. |
| 1976-1979 (L20b) | 4.5 qt. |
| *filter holds 1/2 gt. | |
| Transmition Oil (Manual) | |
| 1968-1973 | 2 1/8 gt. (2 liters) |
| 1974 and later 4-speed | 3 5/8 pt. (1.7 liters) |
| 1975 and later 5-speed | 4 1/4 pt. (2 liters) |
| Transmition Oil (Automatic): | 5 7/8 gt. (5.5 liters) |
| Differential Oil | |
| Datsun 521 | 1 3/4 pt. (0.8 liters) |
| Datsun 620 | 2 1/8 pt. (1 liter) |
| Datsun 720 | 2 5/8 pt. (1.25 liters) |
| Cooling System: | |
| 1972-1974 | 6 3/8 qt. (6 liters) |
| 1975 -1977 (manual) | 8 1/2 qt. (8 liters) |
| 1975 -1977 (automatic) | 8 1/4 qt. (7.8 liters) |
| 1978 and late (manual) includes reservoir | 9 3/8 qt. (8.9 liters) |
| 1978 and late (automatic) includes reservoir | 9 1/4 qt. (8.7 liters) |
Light Bulbs
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Application |
Wattage |
Trade # |
|
Headlight |
||
|
Inner: |
37.5 |
4001 |
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Outer: |
37.5/50 |
4002 |
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Front turn signal/parking lights |
23/8 |
1034 |
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Side marker lights |
8 |
67 |
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Rear turn lights |
23 |
1073 |
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Tail/brake lights |
23/8 |
1034 |
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Rear parking lights |
8 |
67 |
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Back-up lights |
23 |
1073 |
|
License plate light |
7.5 |
89 |
Index
620 Specs
L16 / L18 / L20B Specs
Paint Codes
620 Paint Codes and Examples.
LSD/Diff Swap
LSD/Differential/Axel information.
Torque Specs
Manuals / Diagrams
J13 / J15 / J16
Service Manuals.
Center Link Flip
For Clearancing Oil Pan on Engine Swaps.
Disc Brake Conversion
Learn About the Diffrent Options for Converting to Disc Brakes.