RB426 Plymouth RB426
Класичний великий V8 двигун з високою потужністю, популярний у 60-х роках.
2
Brand engines
13
Modifications
Technical Specifications
| Engine Displacement | 7.1 L (6,995 cc) |
| Configuration | V8 |
| Number of Cylinders | 8 |
| Valves per Cylinder | 2 |
| Power | 360 - 425 л.с. |
| Torque | 600 - 700 Н*м |
| Cylinder Bore | 101.60 mm |
| Piston Stroke | 88.90 mm |
| Compression Ratio | 10.0:1 |
| Firing Order | 1-8-4-3-6-5-7-2 |
| Fuel System | Carburetor |
| Aspiration | Naturally Aspirated |
| Intercooler | No |
| Maximum RPM | 5,000 rpm |
| Max Torque RPM | 3,200 rpm |
| Valve Train | OHV |
| Timing Drive | Chain |
| Block Material | Cast Iron |
| Head Material | Cast Iron |
| Engine Weight | 250 kg |
| Dimensions (L×W×H) | 800 × 600 × 700 mm |
| Lubrication System | Pressure lubrication |
| Cooling System | Liquid cooling |
Additional Information
| Engine Family | Chrysler RB engine family |
| Manufacturing Plant | Detroit, USA |
Maintenance
| Engine Oil Capacity | 5.7 L (with filter: 6 L) |
| Recommended Viscosity | 10W-30 |
| Recommended Brands | Valvoline, Castrol, Mobil 1 |
| Oil Change Interval | 5 000 km or 6 mo |
| Spark Plugs |
Type: Copper Gap: 1 mm Quantity: 8 pcs Replace every 30 000 km |
| Coolant Capacity | 10 L |
| Coolant Type | Ethylene Glycol |
| Coolant Change Interval | 240 000 km |
| Thermostat Opening Temperature | 88°C |
| Operating Temperature | 90°C |
| Max Operating Temperature | 120°C |
| Critical Temperature | 130°C |
Reliability
Expected lifespan: 300 000 km
Tuning potential
Tuning potential: High | Max. safe power: 650 hp
| Stage | Power | Torque | Method | Cost |
|---|---|---|---|---|
| Stage 1 | 450 hp | 750 Nm |
Carburetor upgrade Reliability impact: Medium |
$1000 |
| Stage 2 | 500 hp | 800 Nm |
ECU, High-Flow Air Filter, Headers Required: Headers, High-performance carburetor Reliability impact: Medium-High |
$2500 |
| Stage 3 | 600 hp | 900 Nm |
- Required: Supercharger, Forged internals Reliability impact: High |
$5000 |
Cars with the RB426 engine
This engine was fitted to 8 models
| Photo | Brand | Model | Generation | Production years |
|---|---|---|---|---|
|
No photo
|
Plymouth | Road Runner | Road Runner | 1968 - 1970 |
|
No photo
|
Chrysler | Imperial Crown | Imperial Crown (C-body) | 1963 - 1966 |
|
No photo
|
Chrysler | Imperial Crown | Imperial Crown (E-body) | 1969 - 1973 |
|
No photo
|
Chrysler | New Yorker | Chrysler New Yorker (C-Body) | 1965 - 1968 |
|
No photo
|
Chrysler | New Yorker | Chrysler New Yorker (C-Body) | 1969 - 1973 |
|
No photo
|
Dodge | Coronet | Coronet (B-Body) | 1970 - 1973 |
|
No photo
|
Dodge | Monaco | Monaco (C-Body) | 1969 - 1973 |
|
No photo
|
Dodge | Polara | Polara (C-Body) | 1965 - 1966 |
|
No photo
|
Plymouth | Barracuda | Barracuda (E-Body) | 1970 - 1974 |
|
No photo
|
Plymouth | Fury | Fury IV (M-Body) | 1969 - 1973 |
All modifications (13)
| Vehicle | Generation | Modification | Power | Gearbox | Drive |
|---|---|---|---|---|---|
| Plymouth Road Runner | Road Runner | Plymouth Road Runner 440 V8 375 л.с. 4-МКП 2WD | 375 hp | 4-МКП | 2WD |
| Plymouth Road Runner | Road Runner | Plymouth Road Runner 440 V8 375 л.с. 3-Автомат 2WD | 375 hp | 3-Автомат | 2WD |
| Plymouth Road Runner | Road Runner | Plymouth Road Runner 426 Hemi V8 425 л.с. 4-МКП 2WD | 425 hp | 4-МКП | 2WD |
| Plymouth Road Runner | Road Runner | Plymouth Road Runner 426 Hemi V8 425 л.с. 3-Автомат 2WD | 425 hp | 3-Автомат | 2WD |
| Chrysler Imperial Crown | Imperial Crown (C-body) | 440 V8 7.2 л. 375 л.с. 3-Автомат 2WD | 375 hp | 3-Автомат | 2WD |
| Chrysler Imperial Crown | Imperial Crown (E-body) | Chrysler 440 V8 7.2 л 375 л.с. 3-Автомат 2WD | 375 hp | 3-Автомат | 2WD |
| Chrysler New Yorker | Chrysler New Yorker (C-Body) | 440 V8 7.2 л. 375 л.с. 3-Автомат 2WD | 375 hp | 3-Автомат | 2WD |
| Chrysler New Yorker | Chrysler New Yorker (C-Body) | 440 V8 7.2 л. 375 л.с. 3-Автомат 2WD | 375 hp | 3-Автомат | 2WD |
| Dodge Coronet | Coronet (B-Body) | 440 V8 7.2L 375 л.с. 4-Автомат 2WD | 375 hp | 4-Автомат | 2WD |
| Dodge Monaco | Monaco (C-Body) | 440 V8 7.2 л. 375 л.с. 3-Автомат 2WD | 375 hp | 3-Автомат | 2WD |
| Dodge Polara | Polara (C-Body) | 426 HEMI V8 7.0 л. 425 л.с. 4-Автомат 2WD | 425 hp | 4-Автомат | 2WD |
| Plymouth Barracuda | Barracuda (E-Body) | 440 V8 7.2 л. 375 л.с. 4-Автомат 2WD | 375 hp | 4-Автомат | 2WD |
| Plymouth Fury | Fury IV (M-Body) | 440 V8 7.2 л.с. 375 3-Автомат 2WD | 375 hp | 3-Автомат | 2WD |
Interesting Facts
- One of the most powerful engines of its time.
- Used in various Chrysler models, not just Plymouth.
Applications
| Vehicle | Generation | Years | Power | Markets |
|---|---|---|---|---|
| Plymouth Road Runner | 1968-1975 | 1968-1975 | 360hp/425hp | North America |
| Plymouth Belvedere | 1965-1970 | 1965-1970 | 360hp/425hp | North America |
Compatible transmissions: 3-speed Automatic, 4-speed Manual
Drive types: RWD
Fuel Economy
| Fuel Type | Petrol 98 |
| Octane Rating | Minimum: 98 | Recommended: 98 |
| Consumption (City) | 20 L/100km |
| Consumption (Highway) | 12 L/100km |
| Consumption (Combined) | 15 L/100km |
| Real Consumption | 18 L/100km |
| Fuel Tank Capacity | 80 L |
| Range | 533 km |
Emissions Standards
| Particulate Filter (DPF) | Absent |
| AdBlue | Not Required |
Comparison with competitors
| Engine | Brand | Displacement | Power | Torque |
|---|---|---|---|---|
| Chevrolet 427 | Chevrolet | 6,997 cc | 425 hp | 650 Nm |
| Ford 428 | Ford | 6,997 cc | 345 hp | 600 Nm |
Pros
- High power output for a naturally aspirated engine.
- Robust design and reliability.
Cons
- High fuel consumption.
- Limited availability of parts.