Choosing the Right Carburetor for Your 1984-1988 Dodge D100
If your classic Dodge truck is running rough, a failing carburetor is a likely culprit.
- Common failure symptoms include rough idle, hesitation, black smoke, and hard starting.
- For a stock truck, a remanufactured carburetor (like Uremco) is the most direct replacement.
- Performance brands like Edelbrock offer an upgrade but may require other modifications like a new intake manifold.
- No specific recalls or TSBs from NHTSA were found for the carburetor on these trucks.
Is Your D100's Carburetor Failing?
A carburetor is a wear-and-tear part. After decades of service, problems are common. If your truck sits for long periods, the gasoline inside can turn to varnish and clog the tiny passages inside. Look for these common symptoms that point to a bad carburetor.
- Poor Engine Performance: The truck may feel sluggish, hesitate, or lack power when you press the gas pedal.
- Rough Idle or Stalling: The engine may sputter, shake, or die completely when you're stopped.
- Hard Starting: Difficulty starting the engine, especially when it's cold, can be a sign of a bad fuel mixture from the carburetor.
- Black Exhaust Smoke: Thick, black smoke from the tailpipe indicates the engine is burning too much fuel, a condition known as "running rich." This will also hurt your gas mileage.
- Backfiring: A pop or bang from the engine or exhaust can be caused by a lean fuel mixture (too much air, not enough fuel).
Fuel Leaks are a Serious Hazard
If you smell strong gas fumes or see fuel leaking from the carburetor body, stop driving the vehicle. A fuel leak creates a significant fire risk and should be addressed immediately.
Choosing a New Aftermarket Carburetor
Finding a brand-new original equipment (OEM) carburetor from Mopar for a truck of this age is nearly impossible. Your main choices are a remanufactured unit designed to be a direct replacement or a new universal performance carburetor.
Brand Tiers: Stock Replacement vs. Performance Upgrade
Tier 1: Remanufactured (Uremco)
Brands like Uremco (United Remanufacturing) specialize in rebuilding original carburetors to factory specifications. They are completely disassembled, cleaned, and reassembled with new internal components that are compatible with modern ethanol-blended fuels. For a stock D100, a remanufactured carburetor is often the most straightforward choice, designed for direct fit and easy installation. However, 🎬 Watch this step-by-step carburetor install on a 318 engine. quality can sometimes be inconsistent with remanufactured parts, with some owners reporting issues.
Tier 2: Performance (Edelbrock)
Edelbrock is a well-known brand that offers new carburetors, typically as a performance upgrade. Many Dodge owners with the 318 V8 engine use Edelbrock carbs. These are not usually direct bolt-on replacements and may require an adapter or even a new intake manifold. While some find them easy to tune for the street, others report difficulty in getting them adjusted perfectly for a stock engine, sometimes causing a rich fuel mixture or bogging. 🎬 See this guide for tuning your Edelbrock carburetor perfectly. An Edelbrock is a good option if you plan other performance modifications, but it can be overkill for an otherwise stock truck.
What Does "CFM" Mean?
CFM stands for "Cubic Feet per Minute" and it measures how much air the carburetor can flow. For a stock Slant 6 or 318 V8, a carburetor rated around 500-600 CFM is more than enough. Using a carburetor that is too large can make the truck run poorly at low speeds.
Cost of Replacing a Dodge D100 Carburetor
| Part Type | Estimated Cost | Notes |
|---|---|---|
| New Aftermarket | $345 - $556 | Your price for a new Edelbrock or similar performance carburetor. May require other parts for installation. |
| Remanufactured | $210 - $380 | OEM-style replacement like Uremco. Often requires a refundable "core charge" until you return your old part. |
| Used OEM | $50 - $250 | Purchased from a junkyard or private seller. Condition is not guaranteed and it will likely need to be rebuilt. |
| Shop Labor | $150 - $350 | A simple swap can take 1-2 hours. Finding a mechanic experienced with carburetors is key. |
Frequently Asked Questions
Do I need to replace my intake manifold to use an aftermarket carburetor?
If you are switching from a factory 2-barrel carburetor to a 4-barrel aftermarket carburetor (like an Edelbrock), you will likely need a new intake manifold designed for a 4-barrel carb. Some adapters are available, but a matching manifold provides the best performance. If you are replacing your stock carb with a remanufactured unit of the same type, you will not need to change the manifold.
Are there any recalls on the 1984-1988 D100 carburetor?
No. Searches of the National Highway Traffic Safety Administration (NHTSA) database show no open recalls specifically for the carburetor on the 1984-1988 Dodge D100.
Can I rebuild my original carburetor instead of replacing it?
Yes. If you are mechanically inclined, rebuilding your original carburetor is an option. Rebuild kits are available and typically cost under $75. This can be a cost-effective solution, but it requires patience and careful work. The main body of the carburetor can sometimes warp over time, which a simple rebuild won't fix.
🎬 Follow this full video to rebuild your Chrysler 318 carburetor.What is a core charge?
When you buy a remanufactured part like a carburetor, the price often includes a "core charge" of $95 to $165. This is a deposit that you get back when you send your old, broken part back to the manufacturer. This allows them to remanufacture it for the next customer.
Helpful Videos
Technical Specifications
OEM Part Numbers: 4300015 4324632 4324633 4287069 4287070 4287071 4287078 4306461 4306462
Varies by engine. Can be a 1-barrel Holley 1945/6145 type for the 3.7L Slant 6 or a 2-barrel Holley 2280 type for the 5.2L V8. Aftermarket options are commonly 2-barrel or 4-barrel designs.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Dodge D100: