When it comes to enhancing the performance of classic cars, engine swaps are a popular choice among automotive enthusiasts. For A Bodies Only models, choosing the right engine can significantly improve speed, power, and overall driving experience. In this guide, we’ll explore the best engine swap options for A Bodies Only vehicles, providing insights into compatibility, performance, and tips for a successful upgrade.
What Are A Bodies Only Cars?
A Bodies Only cars refer to a class of Mopar vehicles produced by Chrysler during the 1960s and 1970s. These classic cars, including models like the Dodge Dart, Plymouth Barracuda, and Plymouth Valiant, are highly valued by collectors and performance enthusiasts alike. Known for their lightweight design, these vehicles offer a solid foundation for engine swaps, making them an excellent choice for customization projects.
Factors to Consider Before an Engine Swap
Before diving into the best engine options, it’s important to consider several factors when planning an engine swap for A Bodies Only models:
- Compatibility: Ensure the chosen engine fits within the car’s engine bay and aligns with mounting points.
- Transmission: Select a transmission that pairs well with the new engine for optimal performance.
- Electrical System: Update wiring harnesses to accommodate modern engine electronics if necessary.
- Budget: Factor in costs for the engine, transmission, fabrication, and installation.
- Performance Goals: Determine whether you prioritize horsepower, torque, or fuel efficiency.
Best Engine Swap Options for A Bodies Only Models
1. 5.7L and 6.4L HEMI V8 (Gen III)
The Gen III HEMI engines are a favorite among Mopar enthusiasts due to their impressive power output and reliability. These engines offer modern performance capabilities while maintaining a strong connection to Mopar heritage.
- Pros: High horsepower, advanced fuel injection, reliable performance
- Cons: Requires additional electronics and custom mounts
- Ideal For: High-performance builds
2. 440 Big Block V8
The legendary 440 big block is a go-to choice for those seeking raw power. Known for its torque and robust performance, this engine is a classic favorite for A Bodies Only cars.
- Pros: Excellent torque, traditional Mopar muscle sound
- Cons: Heavy, may require chassis modifications
- Ideal For: Drag racing builds
3. LS Series Engines (Chevrolet)
Though controversial among Mopar purists, LS engines from General Motors are popular for their affordability and availability.
- Pros: Lightweight, excellent aftermarket support
- Cons: Not Mopar-specific, requires significant fabrication
- Ideal For: Budget-conscious enthusiasts
4. 340 Small Block V8
The Mopar 340 small block is one of the best factory engines produced by Chrysler. Known for its lightweight design and high-revving capabilities, it’s a natural fit for A Bodies Only models.
- Pros: Direct fit, maintains classic appeal
- Cons: Limited availability
- Ideal For: Nostalgic restoration builds
5. Turbocharged 2JZ-GTE (Toyota)
For those looking to break traditional barriers, the 2JZ engine from Toyota offers incredible tuning potential and modern performance.
- Pros: High power potential, reliable turbocharged performance
- Cons: Extensive fabrication required
- Ideal For: Unique custom builds
Tips for a Successful Engine Swap
- Plan Ahead: Create a detailed list of parts and modifications required.
- Consult Experts: Seek advice from mechanics experienced with A Bodies Only cars.
- Upgrade Supporting Systems: Include upgrades to the suspension, brakes, and cooling system.
- Test Thoroughly: Ensure everything functions properly before hitting the road.
Conclusion
Swapping engines in classic cars is a fantastic way to breathe new life into vintage models. For A Bodies Only enthusiasts, the right engine swap can transform a beloved car into a high-performance machine. Whether you choose a modern HEMI, a classic big block, or something unconventional like the 2JZ, the possibilities are endless.
By carefully planning your swap and selecting the ideal engine, you’ll achieve a unique driving experience that honors the legacy of Mopar’s legendary A Bodies Only lineup.
