Introduction
The Jet 35002 Rochester Quadrajet Stage 2 Carburetor is engineered to enhance your vehicle's performance. This manual provides essential information for installation, operation, and maintenance to ensure optimal functionality and longevity of your carburetor.
Image: A detailed view of the Jet 35002 Rochester Quadrajet Stage 2 Carburetor, showcasing its various components and metallic finish.
Key Features
- Includes all features of Stage 1 Q-jet.
- Offers improved idle quality as well as instant throttle response.
- Offers maximum torque and horsepower.
- Consists of high speed circuits. Four barrel design.
- Dual plane aluminum intake manifold.
- Designed for easy installation and use.
Setup and Installation
The Jet 35002 Carburetor is designed for straightforward installation. It is a direct bolt-on replacement for compatible vehicles. For best results, professional installation is recommended, especially for fine-tuning.
Pre-Installation Checks:
- Ensure the engine is cool and disconnected from the battery.
- Verify compatibility with your vehicle's engine and existing manifold.
- Inspect the new carburetor for any visible damage or loose components prior to installation.
Installation Steps (General):
- Carefully remove the old carburetor, noting all connections (fuel lines, vacuum lines, throttle linkage).
- Clean the manifold surface thoroughly to ensure a proper seal.
- Place the new carburetor gasket, then carefully position the Jet 35002 Carburetor onto the manifold.
- Secure the carburetor with appropriate fasteners, tightening them evenly.
- Reconnect all fuel lines, vacuum lines, and throttle linkage. Ensure fuel lines are properly routed and secured to prevent leaks.
- After installation, perform initial setup adjustments as per the included instructions (e.g., idle speed, mixture screws).
Operating Instructions
The Jet 35002 Carburetor is designed to provide optimal engine performance. Proper operation involves understanding its key characteristics:
- Improved Idle Quality: This carburetor is engineered for a smoother and more stable engine idle.
- Instant Throttle Response: Experience immediate and crisp acceleration due to its optimized design.
- Maximum Torque and Horsepower: The Stage 2 design, including high-speed circuits and a four-barrel configuration, contributes to enhanced engine power output.
- Cold and Warm Starts: The carburetor is designed to facilitate easy starting whether the engine is cold or warm.
Initial Start-Up and Tuning:
After installation, follow the specific tuning instructions provided with your carburetor for initial adjustments. This typically involves setting the idle mixture and speed. Minor adjustments may be required to achieve peak performance for your specific engine configuration.
Maintenance
Regular maintenance is crucial for the longevity and optimal performance of your Jet 35002 Carburetor. While specific maintenance schedules may vary, general guidelines include:
- Fuel System Cleanliness: Ensure your fuel tank and lines are free of contaminants. Use a high-quality fuel filter and replace it regularly.
- Air Filter Inspection: A clean air filter is vital for proper air-fuel mixture. Inspect and replace your air filter as per your vehicle's service manual.
- Linkage Lubrication: Periodically lubricate throttle and choke linkages with a suitable lubricant to ensure smooth operation.
- Leak Checks: Regularly inspect for any fuel leaks around the carburetor and fuel lines. Address any leaks immediately.
- Adjustment Verification: Periodically check and verify that idle mixture and speed settings remain optimal.
Troubleshooting
This section addresses common issues that may arise with your carburetor. For complex problems, professional assistance is recommended.
| Problem | Possible Cause | Solution |
|---|---|---|
| Fuel Leak | Crushed nylon washer at fuel inlet, loose fittings, or internal plug leaks. | Inspect and replace fuel inlet washer. Tighten all fuel line connections. If internal plugs are leaking, professional repair or replacement may be necessary. |
| Engine Runs Too Rich / Low Power | Improper tuning, stuck float, or incorrect jetting. | Adjust idle mixture screws. Check float level and ensure it moves freely. Consult a professional for jetting adjustments if necessary. |
| Idle Mixture Adjustments Ineffective | Pitted idle mixture needles, or sealed passages. | Inspect mixture needles for damage and replace if necessary. Ensure all passages are clear and not obstructed. |
| Secondaries Not Opening/Closing Properly | Linkage issues, vacuum problems, or internal mechanism fault. | Inspect secondary linkage for obstructions or damage. Verify vacuum lines are connected and not leaking. Professional inspection may be required. |
| Hard Starts (Warm or Cold) | Choke issues, fuel delivery problems, or internal leaks. | Verify choke operation. Check fuel pressure and delivery. Inspect for any internal fuel leaks. |
Specifications
| Brand | Jet |
| Model Number | 35002 |
| Exterior Finish | Aluminum |
| Item Weight | 14 pounds |
| Product Dimensions | 10 x 14 x 14 inches |
| OEM Part Number | 35002 |
| UPC | 064330006132 |
Warranty and Support
For specific warranty information and technical support regarding your Jet 35002 Rochester Quadrajet Stage 2 Carburetor, please refer to the documentation included with your purchase or contact Jet Performance Products directly. Contact details can typically be found on the manufacturer's official website or product packaging.
Note: Unauthorized modifications or improper installation may void the product warranty.
