Thinking about upgrading your 5.7 Hemi’s throttle body? This guide compares five popular options, helping you choose the right one for your needs and budget. We’ll delve into their features, pros, cons, and real-world performance to make your decision easier. Whether you’re looking for a direct replacement or a performance upgrade, we’ve got you covered.
| IMAGE | PRODUCT NAME | BEST FOR | AMAZON LINK |
|---|---|---|---|
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90mm Enlarged Electric Throttle Body ROADFAR Fit for… | General users seeking reliable and versatile solutions for everyday tasks and projects |
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SCITOO Throttle Body fit for Hemi truck for Dodge for… | Professional workers requiring dependable tools and equipment for daily business operations |
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BBK 1843 90mm Throttle Body (13-16Dodge 5.7L/6.4L Hemi) | Home users looking for practical and efficient solutions to common household needs |
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RJSPHH Throttle Body Spacer For 2009-2018 Dodge RAM 1500… | Enthusiasts and hobbyists pursuing their passions with quality tools and accessories |
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BBK Performance BBK 1782 90mm Throttle Body – High Flow… | General users seeking reliable and versatile solutions for everyday tasks and projects |
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1. ROADFAR 90mm Enlarged Electric Throttle Body
The ROADFAR 90mm throttle body promises improved airflow for a potential performance boost. It’s designed as a direct replacement for several 5.7L Hemi applications, boasting a larger bore than the stock unit. The increased airflow should translate to better throttle response and potentially increased horsepower, especially when paired with other performance modifications.
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Key Features:
- 90mm bore diameter
- Designed to meet or exceed OE specifications
- Compatible with various 2005-2012 Chrysler, Dodge, and Jeep models with 5.7L Hemi engines (check compatibility carefully!)
- Replaces OEM part number 4591847AC
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Pros:
- Larger bore for increased airflow
- Potentially improved throttle response
- Relatively affordable
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Cons:
- Compatibility can be tricky; double-check your vehicle’s specifications.
- Some users report minor fitment issues.
- Longevity needs further long-term testing.
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User Feedback Summary: Reviews are mixed. Some users report noticeable performance gains, while others experienced no significant difference or encountered fitment problems.
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2. SCITOO Throttle Body fit for Hemi truck for Dodge for…
The SCITOO throttle body presents itself as a direct replacement option for a range of 5.7L Hemi vehicles. It includes the throttle position sensor, aiming for a straightforward installation. The 80mm bore is slightly smaller than the ROADFAR option, implying a less significant airflow increase.
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Key Features:
- 80mm bore diameter
- Includes throttle position sensor
- Compatible with various Dodge Ram, Durango, and Chrysler Aspen models (check compatibility carefully!)
- Several reference OE numbers provided
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Pros:
- Includes necessary sensors
- Potentially easier installation than some aftermarket options
- Reasonably priced
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Cons:
- Smaller bore than some competitors
- Performance gains might be less pronounced
- Gaskets not included
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User Feedback Summary: Generally positive reviews regarding ease of installation. Performance gains are reported to be less dramatic than with larger bore throttle bodies.
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3. BBK 1843 90mm Throttle Body (13-16 Dodge 5.7L/6.4L Hemi)
BBK is a well-known performance brand, and their 90mm throttle body is built with high-quality components. This is designed specifically for 2013-2016 Dodge 5.7L and 6.4L Hemi engines. The CNC-machined aluminum construction suggests durability and precision.
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Key Features:
- 90mm bore diameter
- CNC-machined aluminum housing
- High-quality components
- Direct bolt-on installation (for specified models)
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Pros:
- High-quality construction
- Potentially significant performance gains
- Brand reputation
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Cons:
- More expensive than some alternatives
- Limited compatibility (2013-2016 Dodge 5.7L/6.4L Hemi only)
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User Feedback Summary: Users generally praise the quality and performance improvements, but the price point is a factor for many.
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4. RJSPHH Throttle Body Spacer For 2009-2018 Dodge RAM 1500…
Unlike the previous options, the RJSPHH product is a throttle body spacer. It doesn’t replace the throttle body but sits between it and the intake manifold, slightly increasing the volume of the intake tract. This can theoretically improve low-end torque.
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Key Features:
- Aluminum spacer
- Helical bore design
- Includes gasket and hardware
- Compatible with specific Dodge Ram and Durango models (check carefully)
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Pros:
- Relatively inexpensive
- Easy installation
- May improve low-end torque
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Cons:
- Might not provide significant horsepower gains
- Potential for heat issues if not properly installed
- Limited compatibility
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User Feedback Summary: Mixed reviews; some report noticeable improvements in low-end torque, while others see minimal changes.
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5. BBK Performance BBK 1782 90mm Throttle Body – High Flow…
Another BBK offering, this 90mm throttle body is marketed as a high-flow option suitable for modified vehicles. Its suitability for vehicles with cold air intakes, exhaust upgrades, or forced induction suggests a focus on maximizing airflow for performance gains in extensively modified setups.
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Key Features:
- 90mm bore diameter
- CNC machined casting
- Exceeds OEM standards
- Recommended for modified vehicles
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Pros:
- High-quality construction
- Designed for performance applications
- Strong brand reputation
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Cons:
- Higher price point
- May not be ideal for stock vehicles
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User Feedback Summary: Positive feedback from users with heavily modified engines. Less impressive results on stock vehicles.
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Practical Buying Advice:
Before purchasing, always verify compatibility with your specific vehicle year, make, and model. Consider your budget and the extent of your vehicle modifications. If your engine is stock, a larger throttle body might not provide noticeable improvements and may even negatively impact drivability. A throttle body spacer is a more affordable option if you are looking for smaller gains. For significantly modified engines, a high-quality 90mm throttle body like those offered by BBK might be beneficial.
FAQ:
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Q: Will a larger throttle body always improve performance? A: Not necessarily. A larger throttle body is most beneficial when paired with other performance upgrades, such as a cold air intake and exhaust system. On a stock engine, the gains may be minimal or even nonexistent.
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Q: How difficult is it to install a new throttle body? A: Difficulty varies depending on the vehicle and your mechanical aptitude. Some installations are relatively straightforward, while others might require specialized tools or knowledge.
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Q: What are the potential downsides of installing a larger throttle body? A: Potential downsides include decreased low-end torque (especially noticeable on stock vehicles), potential drivability issues if not properly tuned, and increased cost.
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Q: Do I need to reprogram my ECU after installing a new throttle body? A: Potentially, yes. While some throttle bodies are designed for “plug-and-play” installation, others might require a custom tune to maximize performance and prevent issues.
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Q: How can I tell if my throttle body needs replacing? A: Symptoms of a failing throttle body can include rough idling, hesitation during acceleration, poor fuel economy, and a check engine light.
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Q: What’s the difference between an 80mm and a 90mm throttle body? A: The difference lies in the bore diameter. A 90mm throttle body allows for greater airflow, potentially leading to better throttle response and higher horsepower, but may also affect low-end torque. An 80mm throttle body offers a less dramatic increase in airflow.
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Q: Are there any long-term reliability concerns with aftermarket throttle bodies? A: While reputable brands like BBK generally offer high-quality products, there’s always a potential for variations in longevity compared to OEM parts. Proper installation and maintenance are key.
