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WINDY CITY ENGINE AND PARTS CR-1445 Gm Connecting Rod Oil Channel 5.3L 6.0L 9640

Cr-1445 Windy City Engine And Parts 5.3l 6.0l Gm Reconditioned Connecting Rod With Oil Channel On Face #9640

( Brand: Windy City Engine And Parts ), ( Manufacturer Part Number: CR-1445 ), ( Part Type: Oil Rod ), ( Oe/oem Part Number: 9640 )

Review WINDY CITY ENGINE AND PARTS 5.3l 6.0l Gm Reconditioned Connecting Rod Oil Channel On Face #9640

The **GM CR-1445 5.3L/6.0L V8 Engine Connecting Rod Oil Channel (Part #9640)** is a precision-engineered aftermarket component designed to enhance the performance, reliability, and longevity of General Motors iconic LS-series small-block V8 engines, specifically those with the **5.3L (L56) and 6.0L (L92/LT1/LT4/LT5) displacements**. This high-quality replacement part is meticulously crafted to restore or improve the internal oil flow within the connecting rod, a critical area where lubrication directly impacts engine durability and power output. The **9640 oil channel** is a direct-fit, drop-in solution that ensures proper oil circulation to the rod bearings, piston pins, and other high-stress components, reducing friction, minimizing wear, and preventing catastrophic failure particularly in high-performance applications, forced induction builds, or engines running at elevated RPMs for extended periods. Constructed from **high-grade steel or aluminum (depending on the version)**, this component is machined to exacting tolerances to match OEM specifications, guaranteeing a seamless fit with the crankshaft and rod journals. Whether used in a **stock restoration, a high-mileage rebuild, or a performance modification**, this oil channel plays a pivotal role in maintaining optimal lubrication under extreme conditions, such as aggressive driving, heavy loads, or turbocharged/supercharged setups where oil pressure demands increase significantly. Engine builders and enthusiasts rely on this part to mitigate the risks of rod bearing failure, a common issue in older or heavily modified LS engines where oil starvation can occur due to degraded internal passages or wear. The **CR-1445 series** is renowned for its compatibility with a wide range of GM applications, including but not limited to the **LS1, LS2, LS3, LS7, and LS9 engines**, making it a versatile upgrade for both daily drivers and competition engines. By incorporating this oil channel into a rebuild or modification, technicians and racers can significantly improve engine reliability, extend component life, and unlock additional power potential without compromising structural integrity. Whether installed as part of a full engine overhaul or as a targeted upgrade to address specific lubrication concerns, the **GM CR-1445 9640 connecting rod oil channel** stands as a proven solution for maintaining peak performance in one of the most beloved engine families in automotive history.

### **Pros and Cons of Buying a GM 5.3L/6.0L V8 Engine (CR1445, 9640 Connecting Rod Oil Channel)**

#### **Pros:**

1. **Proven Reliability** The 5.3L (LQ4) and 6.0L (LQ9) GM V8 engines are well-known for durability, especially in applications like trucks, SUVs, and performance builds. Many units have exceeded 300,000 miles with proper maintenance.

2. **Strong Power Output** The 5.3L produces around **300 350 hp** (stock or mild tuned), while the 6.0L (LQ9) can generate **350 450 hp** (stock or with modifications). Both engines are capable of handling heavy loads and towing.

3. **Aftermarket Support** These engines have a vast aftermarket ecosystem, including performance parts, tuning solutions (like Haltech, Link, or standalone ECUs), and high-flow cylinder heads. Swapping to a **LS-based engine** (like a 6.2L or 7.0L) is also a common upgrade path.

4. **Modularity & Upgrade Potential** The **9640 connecting rod oil channel** (a key feature in the LQ9 6.0L) improves oil flow to the rods, reducing wear and improving longevity. This makes the engine more suitable for high-RPM or forced-induction applications compared to earlier LQ4 variants.

5. **Commonality with Other GM Engines** Many parts (like fuel injectors, sensors, and intake manifolds) are shared with other GM V8s (e.g., 6.2L V8, 7.0L), reducing long-term maintenance costs.

6. **Good for Heavy-Duty Use** The **LQ9 6.0L** (especially with the 9640 rod oil channel) is often used in **towing applications** and can handle **high torque** better than some competitors when properly maintained.

7. **Affordable Compared to LS Engines** While not as cheap as a small-block Chevy, these engines are **significantly cheaper than a fresh LS V8** (especially if buying used or salvaged). A well-maintained example can be had for **$1,500 $3,500**, depending on condition.

8. **Easy to Work On** The **pushrod design** makes basic maintenance (valve adjustments, timing belt, etc.) more accessible than modern fuel-injected engines. Many mechanics are familiar with these engines.

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#### **Cons:**

1. **Fuel Injection Issues** Both engines use **sequential multi-port fuel injection (MPFI)**, which can develop **leaks, clogs, or sensor failures** over time. The **fuel rail and injectors** are common failure points, especially in high-mileage examples.

2. **Rod Knock Risk (Especially LQ4 5.3L)** The **LQ4 5.3L** is more prone to **rod knock** due to its **shorter stroke and lower compression ratio**. The **LQ9 6.0L (9640 rod oil channel)** is more robust but still requires **proper oil selection (5W-30 or 10W-40 full synthetic)** and **regular oil changes**.

3. **Head Gasket Failures** Both engines are **susceptible to head gasket leaks**, especially if overheating occurs. The **LQ9 6.0L** is slightly better, but **proper cooling system maintenance** is critical.

4. **Throttle Body & EGR Problems** The **throttle body** can become sticky, and the **EGR system** can clog, leading to **rough idle or poor performance**. Replacing the throttle body and cleaning the EGR is often necessary.

5. **Camshaft Wear** The **camshafts** in these engines are **notoriously soft** and can wear out, leading to **valve train noise (ticking or rattling)**. Replacing them is a **common mid-life maintenance task**.

6. **Limited Stock Performance** Without modifications, these engines are **not as powerful as modern turbocharged or supercharged alternatives**. For serious performance, **forced induction (turbo/supercharger) or a swap to an LS V8** is often required.

7. **Emissions Compliance Issues** Due to **OBD-II and emissions regulations**, some older examples may require **tuning or modifications** to run legally in modern vehicles. A **standalone ECU** (like Haltech or Link) is often needed for tuning.

8. **Transmission & Drivetrain Considerations** If used in a **heavily modified or high-torque application**, the **stock transmission (4L60, 4L65, 4L80)** may not handle the power without reinforcement (e.g., **heavy-duty torque converter, clutch, or flywheel**).

9. **Disassembly Complexity** While easier than modern engines, **removing the valve cover, oil pan, or timing cover** can be **labor-intensive** due to **rust, seized bolts, or gasket residue**.

10. **Resale Value** Compared to **LS V8s or modern turbocharged engines**, these engines **lose value quickly** if not heavily modified. They are best suited for **budget builds, restoration projects, or heavy-duty applications**.

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### **Ending Conclusion & Recommendation**

#### **Who Should Buy This Engine?**

- **Budget-conscious builders** looking for a **durable, high-torque V8** without spending thousands on a new engine.

- **Towing/hauling applications** where **reliability and torque** are more important than high horsepower.

- **Restoration projects** where **modularity and aftermarket support** are key.

- **Performance enthusiasts** who plan to **swap to an LS V8 or add forced induction** in the future.

- **Mechanics or DIYers** comfortable with **basic engine maintenance** (valve adjustments, timing belt, fuel system work).

#### **Who Should Avoid This Engine?**

- **Those seeking high horsepower without major modifications** (stock power is modest).

- **People who want a "plug-and-play" modern engine** (emissions tuning is often required).

- **Those who dislike frequent maintenance** (camshafts, head gaskets, fuel system issues are common).

- **Builders who prioritize resale value** (these engines depreciate faster than LS or turbocharged alternatives).

#### **Final Recommendation:**

If you **need a reliable, high-torque V8 on a budget** and are **willing to invest in maintenance and potential upgrades**, the **GM 5.3L (LQ4) or 6.0L (LQ9 with 9640 rod oil channel)** is a **solid choice**, especially for **towing, classic restorations, or future LS swaps**.

However, if you **prioritize modern performance, emissions compliance, or resale value**, consider alternatives like:

- **LS V8 (5.3L, 6.2L, or 7.0L)** More power, better aftermarket support, and easier emissions tuning.

- **Turbocharged or Supercharged Small-Blocks** (e.g., **LS3, LS9, or Gen V LT engines**) Better for high-performance applications.

- **Diesel Engines (e.g., Duramax, Power Stroke)** If towing is the primary use case and you don t mind lower RPM power.

**Best Approach:**

- **Buy used but well-documented** (service records, no major knocks, clean fuel system).

- **Budget for maintenance** (camshafts, head gaskets, fuel injectors, throttle body).

- **Plan for an upgrade path** (LS swap, turbo/supercharger, or standalone ECU tuning).

- **Avoid high-mileage examples without proof of maintenance** (especially if the owner didn t change oil regularly).

If you **find a clean, well-maintained example with a known service history**, the **GM 5.3L/6.0L V8 remains a fantastic budget-friendly powerplant** for the right application.

Details:

1-Remanufactured connecting rod, Fits 5.3L 6.0L GM LS Engine With Oil channel on face Bushed pin end free floating And Casting number 9640 rod.

specifications pistonrinro:

  • brand: Windy City Engine And Parts
  • mpn: Cr-1445
  • part type: Oil Rod
  • oe/oem part number: 9640

general pistonrinro:

  • condition: Remanufactured
  • Car Truck Parts Accessories > Engines Engine Parts > Connecting Rods Parts

returns pistonrinro:

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

offer pistonrinro:

  • availability: In Stock
  • sold: 1
  • started: May 13, 2026
  • options: Ship-to-home
  • quantity: 1

shipping pistonrinro:

  • type: Fixed
  • transit: 2-5 Days
  • service: StAndard, UPS Next Day Air, UPS Next Day Air Saver
  • carrier: UPS
  • class: StAndard, One-day
  • cost: $12.95

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seller pistonrinro:

  • rating: 100.0%
  • City: Chicago, Illinois
  • # reviews: 3068
part type: oil rod, oe/oem part number: 9640,
category: auto parts > car truck parts accessories > engines engine parts > connecting rods parts, sku: 13595653174405752,
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