1. Engine Mounts Deals
  2. sku: 23607216326010893
  3. GM 3998269

GM 3998269 Nos Motor Mount 6CYL

fits model: Camaro, Firebird. year: 1970–1972.

3998269 Gm 1970-1972 Camaro Firebird 6cyl Nos Motor Mount

( Brand: Gm ), ( Manufacturer Part Number: 3998269 ), ( Items Included: Engine Mount ), ( Vintage Part: Yes ), ( Placement On Vehicle: Left, Right ), ( Finish: Rubber Molded On Steel Core ), ( Country Of Origin: United States )

Review GM 6cyl Nos Motor Mount fits CAMARO FIREBIRD 1970–1972

The **GM 3998269 OEM Motor Mount for 1970-1972 Chevrolet Camaro and Pontiac Firebird (6-Cylinder, NOS Applications)** is a meticulously crafted, high-quality replacement part designed to restore factory precision and reliability to your classic muscle car. This genuine OEM-style motor mount is engineered to replicate the original specifications of the 255-cubic-inch inline-six engine configuration found in the first-generation Camaro and Firebird, ensuring a perfect fit for both the engine bay and the vehicle s suspension system. Constructed from durable, heat-resistant materials, this mount is built to withstand the rigors of daily driving, providing a secure and stable foundation for your engine while minimizing vibration and noise. The design incorporates the original mounting points, allowing for an exact alignment with the firewall and transmission crossmember, which is critical for maintaining proper driveline balance and preventing premature wear on associated components. Whether you re restoring a show-quality classic or simply upgrading your daily driver, this motor mount delivers the authenticity and performance expected from a no-compromise OEM replacement. Its robust construction and precise engineering make it an essential component for any enthusiast seeking to preserve the integrity of their 1970-1972 Camaro or Firebird, ensuring a seamless integration with the engine, transmission, and chassis for optimal handling and longevity.

### Pros and Cons of Buying a 1970 1972 GM 3998269 Camaro/Firebird with a 6-Cylinder NOS Motor Mount

#### **Pros**

1. **Classic Muscle Car Appeal** The 1970 1972 Camaro and Firebird are iconic American muscle cars from the early 1970s, offering a nostalgic driving experience with a strong following among enthusiasts. Their sleek, aggressive styling and performance pedigree make them desirable collector s items.

2. **Affordable Entry Point for Muscle Cars** Compared to V8-powered Camaros and Firebirds from the same era, the 6-cylinder models are often significantly cheaper, making them a more accessible option for buyers who want a piece of muscle car history without the high cost of a V8.

3. **Simpler Mechanics (Compared to V8s)** The 6-cylinder engine (typically a 250 or 307 cubic inch inline-six) is less complex than the V8 engines found in other Camaros and Firebirds. This can mean easier maintenance, lower repair costs, and fewer potential failure points, especially if the engine is in good condition.

4. **Potential for Restoration or Modification** Many 6-cylinder Camaros and Firebirds are underrestored or neglected, offering owners the chance to work on a project car. With the right effort, these vehicles can be transformed into well-maintained, drivable classics. Modifications like engine swaps (e.g., adding a V8) are also possible, though they can be costly.

5. **Lower Insurance Costs** Because these cars are less valuable than their V8 counterparts, insurance premiums are often lower, making them a more practical choice for daily driving or occasional enjoyment.

6. **Community and Support** The muscle car community is strong, and there are many resources available for 6-cylinder Camaros and Firebirds, including forums, clubs, and aftermarket parts. This can make troubleshooting and restoration easier.

7. **Unique Niche Market** While not as common as V8 models, 6-cylinder Camaros and Firebirds are still sought after by collectors who appreciate their rarity and the opportunity to own a lesser-seen variant of a classic car.

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#### **Cons**

1. **Poor Original Performance** The 6-cylinder engine in these models is significantly less powerful than the V8 engines that were standard in other Camaros and Firebirds. The 250 or 307 cubic inch inline-six produces far less horsepower (around 150 170 hp in stock form), making the car feel sluggish compared to its contemporaries. This can be frustrating for drivers who expect a more spirited muscle car experience.

2. **Reliability Concerns** While the 6-cylinder engine is simpler than a V8, it is not inherently more reliable. Many of these engines were not built for high-performance use, and issues like timing chain stretch, head gasket leaks, or rod bearing wear can be common in older examples. The NOS (New Old Stock) motor mount suggests the engine may have been stored properly, but the rest of the drivetrain (transmission, suspension, etc.) could still be worn out.

3. **Limited Aftermarket Support** Compared to V8-powered Camaros and Firebirds, the 6-cylinder models have less aftermarket support. Performance parts, tuning options, and high-quality restoration components are often harder to find or more expensive. This can make upgrades or restorations more challenging and costly.

4. **Depreciation Risks** While these cars are affordable to buy, they may not hold their value as well as V8 models or other classic cars. If the goal is long-term investment, a 6-cylinder Camaro or Firebird may not be the best choice, as their value is tied more to their rarity and condition than their engine configuration.

5. **Potential for Hidden Issues** Many 6-cylinder Camaros and Firebirds from this era were used as daily drivers or in less-than-ideal conditions. Rust, suspension wear, electrical gremlins, and other mechanical issues are common in older cars. A thorough inspection is essential, but even then, surprises can arise.

6. **Limited Driving Enjoyment** For enthusiasts who prioritize performance and driving dynamics, the lack of power and torque from a 6-cylinder engine can be disappointing. The car may not handle or accelerate as well as a V8-equipped model, which could detract from the overall ownership experience.

7. **Restoration Costs Can Add Up** If the car is in poor condition, restoring it to a drivable or show-ready state can be expensive. Parts for a 6-cylinder Camaro or Firebird may be harder to source, and labor costs can add up quickly, especially if the car requires extensive work.

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### **Conclusion**

Buying a 1970 1972 GM 3998269 Camaro or Firebird with a 6-cylinder NOS motor mount can be a rewarding experience for the right buyer. If you are looking for a classic muscle car with a lower price tag, a simpler engine to work with, or a project car that you can restore over time, this could be a great fit. The nostalgic appeal and potential for customization are strong selling points.

However, if you prioritize performance, reliability, or long-term value, the limitations of the 6-cylinder engine and the car s overall condition could be significant drawbacks. The lack of power, limited aftermarket support, and potential for hidden issues mean that this car may not be ideal for daily driving or for those who want a more spirited driving experience.

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### **Recommendation**

- **Buy if:** You are a patient restorer, enjoy working on projects, or are looking for a unique classic car at a lower price point. You also appreciate the car s historical significance and are willing to invest time and effort into bringing it back to life. If you plan to modify it (e.g., swap in a V8 later), the 6-cylinder engine could be a stepping stone.

- **Avoid if:** You want a high-performance muscle car experience, need a reliable daily driver, or are looking for a low-maintenance classic with strong resale value. If you prefer V8 power and don t mind paying more for it, a 1970 1972 Camaro or Firebird with a V8 engine would likely be a better choice.

**Final Advice:** Always perform a thorough inspection of the car s mechanical condition, rust levels, and overall structural integrity before purchasing. Consider getting a pre-purchase inspection from a trusted mechanic familiar with classic cars. If you decide to buy, be prepared for potential repairs and restoration work, and factor those costs into your budget.

Details:

Brand new, still in original GM box. 1970-1972 Camaro Firebird 6cyl NOS motor mount 3998269: genuine GM mount, either LH or RH, part number. 1970 - 1972 Pontiac Firebird with 6cyl engine. Sorry, only have this one, not a pair.

Part number 3998269 was later replaced by part 347124.This fits:1970 - 1972 Chevrolet Camaro with 6cyl engine.

part #: 3998269 price

  • $24.99

specifications engimou:

  • for models: Camaro, Firebird
  • for years: 1970-1972
  • brand: Gm
  • mpn: 3998269
  • items included: Engine Mount
  • vintage part: Yes
  • placement on vehicle: Left, Right
  • finish: Rubber Molded On Steel Core
  • country of origin: United States

general engimou:

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

returns engimou:

  • policy: No Returns

seller engimou:

  • city: Toledo, Ohio
  • rating: 100.0%
  • # reviews: 19244

shipping engimou:

  • cost: $21.05
  • service: USPS Priority Mail
  • type: Calculated
  • carrier: USPS
  • class: Expedited
  • transit: 8-13 Days

payments engimou:

  • other
  • wallet: Apple-pay
  • credit card: Visa

offer engimou:

  • sold: 0
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • started: May 31, 2026
for models: camaro, firebird, for years: 1970-1972, items included: engine mount, vintage part: yes, placement on vehicle: left, right, finish: rubber molded on steel core, country of origin: united states,
category: auto parts > car truck parts accessories > engines engine parts > engine mounts, sku: 23607216326010893,
Gm 3998269 Is Similar To:
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1 offer $24.99 USD
  • Used. Offer #1 priced at $24.99 + $21.05 shipping estimate = $46.04* total. 1970 - 1972 Chevrolet Camaro with 6cyl engine. Part number was later replaced by part number 347124.+$21.05 shipping

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