Engine Summary
- Manufacturer
- Chrysler Corporation
- Family
- Chrysler RB big-block
- Displacement
- 426 cubic inches
Also Known As
1964 Dodge Ramcharger 426Ramcharger 426 IIIStage III Max WedgeDodge 426/415Dodge 426/425
Engine profile
1964 Dodge Ramcharger 426 Stage III V8
Chrysler RB big-block · 426 cubic inches · Chrysler Corporation
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
High-compression Stage III
- Value
- 12.5:1, 425 gross hp, 480 lb-ft
- Application
- Optional 1964 Ramcharger 426 configuration
- Type
- engine assembly / specification
- Car pages
- 1964 Dodge Polara Max Wedge
Factory bulletin limits wide-open-throttle bursts to 15 seconds.
Sources: 1964 Dodge Ram Charger Stage III Max Wedge , 1964 maximum-performance 426 Ramcharger technical service bulletins
Standard-compression Stage III
- Value
- 11.0:1, 415 gross hp, 470 lb-ft
- Application
- 1964 Ramcharger 426
- Type
- engine assembly / specification
- Car pages
- 1964 Dodge Polara Max Wedge
Factory-rated at 5,600 rpm with torque at 4,400 rpm.
Sources: 1964 Dodge Ram Charger Stage III Max Wedge , 1964 maximum-performance 426 Ramcharger technical service bulletins
Stage III short-ram induction
- Value
- 15-inch aluminum manifold and two Carter AFB-3705SA four-barrels
- Application
- Both Ramcharger 426 configurations
- Type
- intake manifold / specification
- Car pages
- 1964 Dodge Polara Max Wedge
Hand chokes and unsilenced air cleaners.
Sources: 1964 maximum-performance 426 Ramcharger technical service bulletins
Cars Using This Engine
1 linked car page.
Ramcharger 426 Stage III package across eligible 330, 440, Polara, and Polara 500 bodies
1964 Dodge Polara Max Wedge
Ramcharger 426 Stage III, the final Dodge Max Wedge.