PORSCHE 1973T Cast Iron Cylinders 84MM

( Manufacturer Part Number: 1973T ), ( Type: Piston ), ( Cylinder Bore Diameter: 84mm ), ( Material: Cast Iron ), ( Vintage Part: Yes )

Review PORSCHE 84mm Cast Iron Cylinders fits X6 911

The **1973 Porsche 911 T (Type 930) with 84mm Cast Iron Cylinders** represents a rare and highly sought-after piece of automotive engineering, blending the raw power and timeless elegance of Porsche s legendary 911 with a meticulously restored or restored-to-original-specification engine that embodies both performance and durability. This particular model, known for its iconic "Targa" roof and the introduction of the 3.0-liter flat-six engine, was a transitional yet pivotal chapter in Porsche s evolution, offering a balance of handling precision, mechanical reliability, and a throaty, exhaust-note-rich soundtrack that only a naturally aspirated air-cooled engine can deliver. The **84mm cast iron cylinders** a hallmark of the original 930 s design were forged from high-grade iron to withstand the immense forces generated by the engine s high-revving, high-compression operation, ensuring longevity and structural integrity even under aggressive driving conditions. These cylinders, paired with the iconic **930 s 3.0-liter displacement**, produce a staggering **210 horsepower** (depending on exact specifications and tuning), a figure that was revolutionary for its time and remains impressive by modern standards when considering the engine s weight and simplicity. The cast iron construction also contributes to the engine s signature deep, resonant growl, a characteristic that enthusiasts and collectors cherish, as it represents the unadulterated voice of Porsche s golden era before the advent of modern materials like aluminum and forced induction.

Beyond its mechanical prowess, this 1973 911 T is a **rolling museum piece**, encapsulating the design language of the early 1970s with its **Targa roof** a radical departure from the traditional convertible or fixed-head coupe, offering a blend of open-air driving and structural rigidity. The bodywork, whether restored to its original **black or white** (or one of the rare early models in **silver or metallic blue**) with **two-tone paint schemes**, features the distinctive **930 s front end**, complete with the **quad headlights** and **wide, aggressive grille**, which not only exuded sportiness but also improved cooling for the high-output engine. The **911 T s suspension**, with its **adjustable rear anti-roll bar** and **recirculating ball steering**, was fine-tuned for both track and road use, allowing for a razor-sharp handling experience that remains unmatched in its class. The **manual transmission** a five-speed in most markets was a driver s delight, offering crisp shifts and direct feedback, while the **limited-slip differential** ensured that power was delivered with precision, even under hard cornering or spirited acceleration.

For the discerning collector or performance enthusiast, this 1973 Porsche 911 T with **84mm cast iron cylinders** is not merely a car; it is a **piece of automotive history** that demands respect and appreciation for its engineering heritage. The **cast iron cylinders**, though heavier than modern aluminum alternatives, were chosen for their **durability, heat retention, and resistance to warping**, making them ideal for the high-revving, naturally aspirated engines of the era. This model was also one of the last to feature the **original air-cooled design** before Porsche transitioned to liquid cooling in the late 1970s, making it a transitional yet highly desirable example of the brand s evolution. Whether restored to **showroom condition** with **original or reproduction parts**, or preserved in **period-correct running condition**, this 911 T embodies the **raw, unfiltered spirit of Porsche s golden age** a time when engineering brilliance and driving passion were uncompromised by modern conveniences. For those who appreciate the **artistry of mechanical simplicity**, the **thrill of a naturally aspirated engine**, and the **timeless elegance of a true sports car**, this 1973 Porsche 911 T stands as a **testament to Porsche s legacy of innovation and performance**.

### Pros and Cons of Buying a 1973 Porsche 911 (901 Series, 84mm Cast Iron Cylinders)

1. **Classic Design and Prestige** The 1973 Porsche 911 (901 series, later rebranded as the 911) is an iconic car with timeless styling. It represents a transitional era between the air-cooled 911s and the early water-cooled models, making it highly desirable among collectors and enthusiasts.

2. **Mechanical Simplicity** The 901/911 (pre-1974) retains the air-cooled engine layout, which is mechanically simpler than later water-cooled models. This makes it easier to work on for those with mechanical experience.

3. **Strong Engine Potential** The 2.7L flat-six engine (with 84mm cast iron cylinders) is a solid powerplant, especially if it has been well-maintained. With proper care, it can provide reliable performance for many years. The engine is also known for its durability, particularly if it has been upgraded with modern components where necessary.

4. **Lower Cost of Ownership (Compared to Later Models)** While parts can be expensive, the overall cost of ownership is generally lower than that of later 911 models (especially water-cooled ones) due to fewer complex systems. Insurance and maintenance costs are also typically more manageable.

5. **Niche Market Appeal** The 1973 911 (especially in good condition) is a rare and sought-after model. This can make it easier to sell or trade in the future if you decide to upgrade.

6. **Driving Experience** The car offers a raw, unfiltered driving experience with minimal modern electronics. The air-cooled engine provides a distinctive sound and feel, appealing to purists.

7. **Potential for Restoration or Modification** If you enjoy working on cars, this 911 can be a rewarding project. Many owners enjoy restoring or modifying these cars to bring them back to original or enhanced condition.

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1. **High Maintenance Requirements** The air-cooled engine is prone to common issues such as head gasket failures, oil leaks, and cylinder wear. The 84mm cast iron cylinders are more prone to wear than later aluminum heads, requiring more frequent attention to compression and valve clearances.

2. **Parts Availability and Cost** While parts for the 911 are widely available, some components (especially original or high-quality aftermarket parts) can be expensive. Rebuilding the engine or replacing major components (e.g., cylinder heads, pistons) can be costly.

3. **Rust and Corrosion** Many early 911s suffer from rust, particularly in the floor pans, subframes, and suspension components. A thorough inspection of the chassis and undercarriage is essential before purchasing.

4. **Electrical Reliability Issues** The electrical system in these cars can be finicky, with issues like faulty wiring, weak alternators, or failing gauges. Modernizing the electrical system may be necessary for reliability.

5. **Driving Characteristics** The 1973 911 (especially in later 911 models) may feel less refined than modern cars. The suspension is stiff, and the ride can be harsh. The lack of modern safety features (e.g., ABS, modern brakes) can also be a concern.

6. **Fuel and Emissions Compliance** If you plan to drive this car regularly, you may need to modify it to meet modern emissions standards (e.g., smog certification in some regions). This can add to the cost and complexity of ownership.

7. **Limited Modern Comforts** The interior is basic by today s standards, with minimal sound insulation, poor heating/air conditioning, and a lack of modern driver aids (e.g., cruise control, modern infotainment).

8. **Depreciation Risk** While classic cars can appreciate, the 1973 911 is not as highly valued as later models (e.g., 964, 993, or 996). Its rarity is limited compared to more popular 911 variants, so resale value may not be as strong.

9. **Driving Restrictions** Some regions have restrictions on older cars, such as mandatory inspections, limited use on highways, or noise regulations. Always check local laws before purchasing.

10. **Time-Consuming Maintenance** Unlike modern cars, repairs and maintenance can take significantly longer due to the lack of standardized tools, diagnostic equipment, and aftermarket support.

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The 1973 Porsche 911 (901 series, 84mm cast iron cylinders) is a fantastic choice if you are looking for a classic, mechanically engaging car that offers a piece of automotive history. It is ideal for enthusiasts who enjoy working on cars, appreciate the raw driving experience, and are prepared for the challenges of maintaining an older vehicle. The car s rarity and iconic status make it a rewarding project, but it is not a practical daily driver for those seeking modern convenience or reliability.

If you are willing to invest time, money, and effort into restoring or maintaining the car, it can be an incredibly satisfying and valuable addition to your collection. However, if you prioritize ease of use, modern comforts, or low maintenance, this car may not be the best fit.

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- You are an experienced mechanic or willing to learn.

- You enjoy classic cars and are prepared for the challenges of ownership.

- You plan to restore or modify the car as a passion project.

- You have a secure storage space (garage or indoor storage) to protect it from the elements.

- You are buying from a reputable seller with a full service history and can afford the potential costs of repairs.

- You are looking for a reliable, low-maintenance daily driver.

- You cannot afford the time or money for regular maintenance and potential major repairs.

- You live in an area with harsh weather conditions (e.g., salted roads, extreme humidity) and cannot protect the car adequately.

- You are not prepared for the emotional and financial commitment of owning a classic car.

Before purchasing, thoroughly inspect the car s engine (check for compression, oil leaks, and cylinder wear), chassis (look for rust), and electrical system. Consider getting a pre-purchase inspection from a Porsche specialist. If you decide to buy, budget for immediate repairs (e.g., head gasket replacement, suspension work) and plan for ongoing maintenance. Treat the car with care, and it can be a lifelong companion and a source of immense pride.

Details:

Unable to measure bore accurately, but appear be in fair condition. 84mm Cast Iron Cylinders removed from 1973 911T.

part #: 1973t price

• $426.09

specifications pistonringro:

• for models: X6, 911
• for makes: Porsche
• mpn: 1973t
• type: Piston
• cylinder bore diameter: 84mm
• material: Cast Iron
• vintage part: Yes

offer pistonringro:

• started: March 18, 2026
• quantity: 6
• availability: In Stock
• options: Ship-to-home
• best offers: True
• sold: 0

payments pistonringro:

• credit card: Discover
• wallet: Paypal
• other

shipping pistonringro:

• transit: 3-8 Days
• class: Standard
• carrier: FedEx
• type: Calculated
• cost: $25.91
• service: FedEx Ground / FedEx Home Delivery

returns pistonringro:

• policy: No Returns

general pistonringro:

• condition: Used
• Car Truck Parts Accessories > Engines Engine Parts > Pistons Rings

seller pistonringro:

• # reviews: 37
• rating: 100.0%
• city: San Diego, California

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