91012705 SPEEDWAY Ballast Resistor

Review SPEEDWAY Ballast Resistor .75 1.5 Ohm

The Speedway Motors 91012705 Ballast Resistor is a crucial component in the ignition system of vintage vehicles and hot rods. This resistor, specifically designed with a resistance value of 75 ohms and a wattage of 1.5, is engineered to ensure reliable and efficient performance.

Measuring 2.5 inches long, 1.5 inches wide, and 1.2 inches high, this ballast resistor is compact enough to fit in most applications. Its robust construction, featuring a high-temperature ceramic body and epoxy-coated terminals, guarantees durability and resistance to harsh conditions.

Designed for use with 6-volt ignition systems, this ballast resistor plays a crucial role in regulating the current flow to the ignition coil. By limiting the current, it prevents damaging surges and ensures a consistent spark at the spark plugs.

The 91012705 Ballast Resistor from Speedway Motors is an essential upgrade for vintage vehicle enthusiasts and hot rod builders, providing improved ignition reliability and performance. Its exacting specifications and high-quality construction make it a reliable choice for those seeking authentic, vintage ignition system performance.

Pros and Cons of Buying Speedway 91012705 Ballast Resistor (75W, 1.5Ohms)

The Speedway 91012705 Ballast Resistor is a 75W, 1.5Ohms component commonly used in various electrical applications. In this analysis, we will evaluate the potential advantages and disadvantages of purchasing this ballast resistor.

1. Durable Construction: The resistor features a robust design with a heat-dissipating aluminum body, which ensures effective heat management and increased resistance to damage.

2. Reliable Performance: With a stable wattage rating and precise Ohm value, this resistor guarantees consistent performance, making it suitable for various industrial and commercial applications.

3. Cost-Effective: Compared to other brands, the Speedway 91012705 Ballast Resistor is comparatively more affordable, providing an excellent value for the price.

1. Limited Voltage Range: This ballast resistor is designed for a specific voltage range, limiting its versatility in various applications that require a wider voltage range.

2. Sensitivity to Overheating: Prolonged exposure to high temperatures may negatively impact the resistor's performance and lifespan, requiring careful monitoring and efficient cooling systems.

The Speedway 91012705 Ballast Resistor offers several advantages, including a robust design, reliable performance, and cost-effectiveness. However, it comes with certain limitations, such as a limited voltage range and sensitivity to overheating. Considering these factors, it is recommended for applications that match its specifications and can effectively manage the heat output.

If your application requires a ballast resistor with a wider voltage range, consider exploring other options in the market. However, if you are working within the Speedway 91012705 Ballast Resistor's voltage range and have adequate cooling systems in place, this component can be a budget-friendly and reliable choice for your electrical project.

Details:

Includes threaded terminal connectors and blade adapters if needed as well a jumper wire. Stabilize coil current. Sold individually. Recommend to be replaced with coil.

Prolong points life. Rated at 200 watts and .75 ohms cold - 1.5 hot. Premium ceramic body provides superior heat transfer and durability. Computer wound to ensure resistance value.

specifications ignitioncomp:

• for years: 1975
• brand: Speedway
• mpn: 91012705
• part type: Resistor

seller ignitioncomp:

• # reviews: 1241
• rating: 98.8%
• city: burlington, kentucky

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components

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• service: ups ground saver
• carrier: ups
• type: calculated
• transit: 5-8 days
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returns ignitioncomp:

• time: 30 days
• policy: returns accepted
• paid by: seller

offer ignitioncomp:

• options: ship-to-home
• availability: in stock
• sold #: 16
• started: september 3, 2025
• price: $20.99
• item condition: New
• in stock #: 1

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