ENERGY SUSPENSION 3.1172R Engine Mount 703639117629 5.7L-V8

( Brand: Energy Suspension ), ( Manufacturer Part Number: 3.1172R ), ( Type: Engine Mount ), ( UPC: 703639117629 )

Review ENERGY SUSPENSION Engine Mount Chevrolet 5.7l-v8 fits CORVETTE 1984–1985

The **Energy Suspension 3.1172R Engine Mount** is a high-performance, precision-engineered replacement designed specifically for the **1984-1985 Chevrolet Corvette** with the iconic **5.7L (350 cubic inch) V8 engine**, particularly those equipped with the **L98 or LT1** configurations. Crafted from durable, reinforced rubber and high-grade steel components, this mount is engineered to deliver superior vibration isolation, improved engine stability, and enhanced drivability while maintaining the factory s intended suspension geometry. Unlike generic aftermarket alternatives, the **3.1172R** is meticulously calibrated to match the Corvette s unique suspension dynamics, ensuring optimal power transfer and a refined ride quality. Its robust construction helps mitigate harsh engine vibrations, reducing fatigue in the drivetrain and improving overall handling, making it an ideal choice for both street-driven enthusiasts and track-focused performance seekers. The mount s precise fitment ensures compatibility with the Corvette s stock suspension components, including the **front coilover and rear multi-link setups**, while its reinforced design enhances durability under high-stress conditions, such as aggressive driving or heavy acceleration. Whether you're aiming for a smoother ride, better engine control, or improved suspension responsiveness, this Energy Suspension mount provides a reliable, high-quality solution that upholds the Corvette s legendary performance heritage.

### Pros and Cons of Buying an Energy Suspension 3.1172R Engine Mount for a 1984-1985 Chevrolet Corvette 5.7L V8

1. **Improved Engine Mounting Stability** The Energy Suspension 3.1172R is designed to provide a more rigid and secure mounting point for the engine, reducing flex and vibration. This can lead to better engine alignment and improved drivability.

2. **Enhanced Engine Bay Organization** The mount is engineered to fit within the Corvette s engine bay while maintaining proper spacing for components like the oil pan, transmission, and other related parts. This can help prevent rubbing or interference issues.

3. **Durability and Quality** Energy Suspension is known for producing high-quality aftermarket suspension and engine components. The 3.1172R mount is made from durable materials, designed to withstand the stresses of a high-performance engine like the LT1 or LS1 in later applications (though it was originally intended for the 5.7L small-block).

4. **Compatibility with Performance Modifications** If you plan to modify your Corvette with a more powerful engine (such as an LS1 or LS7 swap), this mount may serve as a transitional or upgraded solution, especially if you re retrofitting parts from a later model.

5. **Reduced Engine Movement** A firmer engine mount can minimize engine movement under acceleration, braking, or cornering, which may improve drivability and reduce wear on related components like the transmission or exhaust system.

6. **Easier Installation** Compared to some factory or aftermarket alternatives, the Energy Suspension mount is relatively straightforward to install, especially for those with basic mechanical experience.

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1. **Limited Original Equipment Fitment** The 3.1172R mount was originally designed for the 1984-1985 Corvette s 5.7L V8, but it may not fit perfectly with later engine swaps (e.g., LS1, LS3) without additional modifications. The bolt patterns and mounting points may not align as intended.

2. **Potential for Misalignment** If not installed correctly, the mount could cause the engine to sit slightly off-center, leading to issues with the driveshaft, exhaust, or transmission alignment. This could result in drivability problems or premature wear.

3. **Cost Relative to Factory Replacement** While not excessively expensive, the price of the Energy Suspension mount may be higher than a simple factory replacement part if you re only looking to restore stock functionality. For a stock restoration, a genuine OEM mount might be a more cost-effective choice.

4. **Compatibility with Aftermarket Engines** If you re running a non-stock engine (e.g., an LS swap), you may need to pair this mount with additional components (such as a custom oil pan or transmission tunnel) to ensure everything fits properly. This could add to the overall cost and complexity.

5. **Limited Availability of Support** Unlike some more widely used aftermarket brands, Energy Suspension may not have as extensive a support network or readily available installation guides for older Corvette applications. This could make troubleshooting more difficult.

6. **Potential for Over-Tightening** The mount s rigidity means it must be installed with precision. Over-tightening bolts could strip threads or damage the engine block or transmission housing, so careful installation is critical.

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The Energy Suspension 3.1172R engine mount is a solid choice if you re looking to improve engine stability in your 1984-1985 Corvette with the stock 5.7L V8 or if you re planning a performance-oriented build with a compatible engine. Its primary strengths lie in its durability, improved rigidity, and potential to enhance drivability. However, it may not be the best fit if you re seeking a simple, budget-friendly replacement for stock parts or if you re running a non-stock engine that requires extensive modifications to integrate properly.

For a stock restoration, a genuine OEM mount might be sufficient. For performance applications, especially with later-model engines, you may need to supplement this mount with additional components to ensure a perfect fit.

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- You want to improve engine mounting rigidity for better handling or to support a performance build.

- You re comfortable with installation and willing to verify fitment with your specific engine configuration.

- You re running the stock 5.7L V8 or a compatible aftermarket engine (e.g., a properly modified LS1 with the right bolt patterns).

- You re restoring the car to stock condition and want a simple, cost-effective replacement.

- You re running a non-stock engine (e.g., LS3) that requires additional modifications to integrate with this mount.

- You prefer a more widely supported brand with extensive installation resources for your specific application.

Before purchasing, verify compatibility with your engine setup, consult with a Corvette specialist, and ensure you have the tools and knowledge to install it correctly. If in doubt, consult a mechanic familiar with your car s modifications.

Details:

Replaces the original, short lived and typically too-soft rubber mounts outdated those hard-running metal motor. When required - a torque resistant safety interlock design is used that comparable in strength to those too hard-running metal mounts. Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc. Made of Hyper-Flex performance polyurethane.

This part fits vehicles made in the following years 1984 ,1985,1986,1987,1988,198 9,1990,1991. Soft-running enough to absorb vibrations for street use yet rugged racing.

part #: 31172r prices

• $59.21-$67.11

specifications engimou:

• for models: Corvette
• for makes: Chevrolet
• for years: 1984-1985
• brand: Energy Suspension
• mpn: 3.1172r
• type: Engine Mount
• upc: 703639117629

offer engimou:

• quantity: 2
• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: May 29, 2026

returns engimou:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments engimou:

• credit card: Diners-club
• other
• wallet: Paypal

shipping engimou:

• transit: 4-10 Days
• type: Fixed
• service: Standard
• cost: $16.99
• class: Standard

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: New

seller engimou:

• # reviews: 1651
• rating: 99.6%
• city: Brooklyn, New York

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