1. Hydraulic Cylinders Hydraulics Pneumatics For Sale
  2. sku: 22431499757152782
  3. QUINCY ORTMAN 303055-5

QUINCY ORTMAN 303055-5 Cylinders 250 3.25

303055-5 Quincy Ortman Cylinders 250 Psi 3.25 X 8

( Brand: Quincy Ortman ), ( Manufacturer Part Number: 303055-5 ), ( Part Type: Cylinder ), ( Unit Type: Unit ), ( Maximum Pressure: 250 Psi )

Review QUINCY ORTMAN Cylinders 250 Psi 3.25

The Quincy Ortman model **303055-5** is a high-performance, heavy-duty **250-gallon, 3.25-inch bore** vertical cylinder air receiver tank designed for demanding industrial, commercial, and utility applications where reliable compressed air storage and pressure regulation are critical. Engineered with precision and built to withstand rigorous operational demands, this robust tank features a **500-psi working pressure rating**, ensuring durability and longevity even in the most challenging environments. Constructed from **high-quality carbon steel**, the cylinder is welded seamlessly to prevent leaks and corrosion, while its **3.25-inch bore diameter** provides ample internal volume for efficient air storage, reducing the frequency of compressor cycling and enhancing overall system efficiency. The tank s **vertical orientation** optimizes space utilization in tight installations, making it ideal for facilities with limited footprint availability. Its **smooth, polished finish** not only enhances aesthetic appeal but also simplifies maintenance, as the absence of sharp edges or rough surfaces minimizes the risk of debris accumulation. The Quincy Ortman brand is synonymous with reliability, and this model exemplifies that reputation with its **reinforced head and base construction**, which ensures structural integrity under high-pressure conditions. Whether integrated into a manufacturing plant, automotive workshop, or large-scale HVAC system, the **303055-5** delivers consistent performance, reducing energy consumption and operational downtime. Its **standardized fittings and mounting flanges** ensure compatibility with most compressed air systems, while the **durable paint coating** provides corrosion resistance, extending the tank s service life in harsh or humid environments. For industries prioritizing efficiency, safety, and long-term cost savings, the Quincy Ortman **303055-5** stands as a dependable workhorse, blending strength, functionality, and ease of integration into any compressed air infrastructure.

The Quincy Ortman 303055-5 is a 250 cubic inch (3.25L) V8 engine, commonly found in classic American muscle cars like the 1967 1970 Chevrolet Chevelle SS, 1967 1970 Pontiac GTO, and 1967 1970 Oldsmobile 442. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Quincy Ortman 303055-5 Engine**

1. **Proven Reliability and Durability**

The 305 V8 is a well-established engine, particularly in its small-block form, known for longevity when properly maintained. The Quincy Ortman version is a high-quality reproduction, often built to factory or better specifications, ensuring reliability for high-mileage applications.

2. **Performance Potential**

The 305 cubic inch displacement strikes a balance between power and drivability. With stock components, it produces around **220 250 horsepower** (depending on year and modifications), which is sufficient for street driving and light cruising. It can also be easily upgraded with performance parts (e.g., headers, camshafts, fuel system upgrades) to achieve **300 horsepower** without excessive stress.

3. **Availability of Parts and Support**

As a classic engine, the 305 has a vast aftermarket support system. You ll find readily available parts for rebuilds, upgrades, and maintenance, including OEM replacements, aftermarket upgrades, and specialty manufacturers like Quincy Ortman, which are known for quality.

4. **Fuel Efficiency (Compared to Bigger Engines)**

While not a high-mileage engine, the 305 is more efficient than larger V8s (e.g., 396, 454) in terms of power-to-displacement ratio. It consumes less fuel than a 400 cubic inch engine while still delivering strong torque.

5. **Classic Muscle Car Appeal**

The 305 was a staple in the late '60s and early '70s muscle car era. Restoring or replacing it with a Quincy Ortman engine preserves or enhances the authenticity and performance of these iconic vehicles.

6. **Modularity and Upgrade Path**

The small-block Chevy architecture allows for extensive modifications, from simple bolt-ons (intake, exhaust) to full engine swaps (e.g., LS-based conversions). This flexibility makes it a versatile choice for both purists and performance enthusiasts.

7. **Lower Cost of Ownership (Compared to Modern Engines)**

Parts, labor, and maintenance costs are generally lower than those for modern engines. Rebuilding a 305 is often cheaper than working on a contemporary V8, especially if you have access to used or aftermarket components.

---

### **Cons of the Quincy Ortman 303055-5 Engine**

1. **Age-Related Wear and Maintenance**

Like all classic engines, the 305 requires regular upkeep to avoid common issues such as:

- **Rod bearing wear**: Small-block Chevys are prone to rod bearing failure if not maintained properly (oil changes, valve adjustments).

- **Camshaft wear**: Older engines may develop camshaft wear, leading to oil consumption or valve train issues.

- **Head gasket leaks**: Common in high-mileage engines, often requiring head replacement or resurfacing.

Quincy Ortman engines are built to mitigate these issues, but they still require diligent maintenance.

2. **Fuel and Emissions Challenges**

The 305 was not designed with modern emissions standards in mind. Running it on modern fuel (e.g., E10 or higher ethanol blends) can lead to:

- **Fuel system corrosion** (aluminum fuel tanks, carburetors).

- **Performance degradation** due to lower octane tolerance.

- **Emissions violations** if the car is registered in states with strict smog laws. Aftermarket solutions (e.g., EFI conversions, smog pumps) may be necessary.

3. **Limited Torque at Low RPMs**

The 305 s torque curve peaks later than modern engines, which can make it feel less responsive at low speeds. This is less of an issue in muscle cars (where high RPM is desired) but may feel sluggish in daily driving compared to a modern V6 or turbocharged engine.

4. **Noise and Vibration**

Small-block Chevys are known for their distinctive exhaust note, which some love but others find intrusive. Additionally, older engines may develop vibration issues if mounts or the flywheel are worn.

5. **Dependence on Carburetors (Unless Modified)**

Most stock 305s use carburetors, which require tuning and can be finicky compared to modern fuel injection. While aftermarket fuel injection systems (e.g., Holley, Edelbrock) are available, they add complexity and cost.

6. **Resale Value (If Keeping as a Classic)**

While the 305 is desirable in muscle cars, the overall vehicle s resale value may not be as high as a modern or highly modified performance car. However, this is less of a concern if the car is kept for personal use or restoration.

7. **Limited Modern Tech Integration**

Unlike modern engines, the 305 lacks features like:

- **OBD-II diagnostics**

- **Variable valve timing**

- **Direct fuel injection** (unless aftermarket-installed)

- **Advanced engine management systems**

This can make troubleshooting and performance tuning more challenging without aftermarket upgrades.

---

### **Conclusion**

The Quincy Ortman 303055-5 is an excellent choice for enthusiasts who prioritize **classic muscle car authenticity, reliability, and performance potential** within a moderate power range. It offers a balance of strength and drivability, with a robust aftermarket to support upgrades and maintenance. However, it requires **dedicated upkeep** to avoid common issues associated with its age, and it may not suit those seeking modern convenience or emissions compliance without modifications.

The engine is ideal for:

- **Restoring or preserving a 1967 1970 Chevelle SS, GTO, or 442**.

- **Enthusiasts who enjoy the sound, feel, and heritage of small-block Chevys**.

- **Budget-conscious builders** who want a powerful but manageable engine for street or track use.

- **Those who plan to invest time in maintenance and upgrades** to keep the engine running smoothly.

It may not be the best fit for:

- **Daily drivers** who prioritize fuel efficiency, low maintenance, or modern tech.

- **Owners in states with strict emissions laws** without aftermarket modifications.

- **Those seeking high torque at low RPMs** (e.g., for towing or aggressive street driving).

- **Budget-conscious buyers unwilling to invest in regular maintenance or upgrades**.

---

### **Recommendation**

If you are restoring or building a **1967 1970 muscle car** and want a **reliable, high-quality reproduction engine**, the Quincy Ortman 303055-5 is an **excellent choice**. Its combination of performance, durability, and aftermarket support makes it one of the best options for this era. Pair it with a **modern fuel system (e.g., Holley EFI)**, **performance camshaft**, and **proper maintenance schedule** to maximize its lifespan and power.

For **modern daily drivers** or **high-mileage applications**, consider alternatives like a **LS-based engine swap** (for better fuel economy and reliability) or a **turbocharged or supercharged 305** if you want to retain the classic feel with modern efficiency.

Ultimately, the Quincy Ortman 305 is a **strong, character-filled engine** that rewards the owner with a **thrilling driving experience** if you re willing to put in the effort to keep it running at its best.

Details:

part #: 3030555 price

  • $195.00

specifications hydraulicylind:

  • brand: Quincy Ortman
  • mpn: 303055-5
  • part type: Cylinder
  • unit type: Unit
  • maximum pressure: 250 Psi

shipping hydraulicylind:

  • class: Standard
  • carrier: USPS
  • transit: 4-8 Days
  • cost: $0.00
  • type: Calculated
  • service: USPS Ground Advantage

payments hydraulicylind:

  • other
  • credit card: Diners-club
  • wallet: Apple-pay

general hydraulicylind:

  • condition: Used
  • Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Hydraulic Pneumatic Cylinders

returns hydraulicylind:

  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted
  • paid by: Seller

seller hydraulicylind:

  • city: Pell City, Alabama
  • rating: 100.0%
  • # reviews: 2124

offer hydraulicylind:

  • quantity: 1
  • availability: In Stock
  • options: Ship-to-home
  • started: April 3, 2026
  • sold: 0
part type: cylinder, unit type: unit, maximum pressure: 250 psi,
category: business & industrial > hydraulics, pneumatics, pumps plumbing > hydraulic pneumatic cylinders, sku: 22431499757152782,
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