First Impressions of Sierra International 185271 Tune Up Kit Mallory
The Sierra International 185271 Tune Up Kit Mallory promises a straightforward solution for maintaining classic Mallory V-8 single-point ignition systems. As someone who’s spent over a decade wrestling with marine engines, I know the importance of reliable ignition, especially when you’re miles offshore. This kit, with its promise of precision-built components and interchangeability with other brands, aims to deliver just that.
My own vintage Chris-Craft, affectionately nicknamed “The Sea Serpent,” relies on a Mallory distributor. Over the years, ignition gremlins have plagued me, often at the most inopportune times. Finding reliable parts for these older systems can be a real challenge. Therefore, I was specifically seeking a comprehensive tune-up kit that included all the essential components for a complete ignition overhaul.
Upon unboxing, the kit presents a clean, organized appearance. The components seem well-made, and the inclusion of a distributor cap gasket is a thoughtful touch. Compared to piecing together individual components from various sources, this kit offers convenience and the assurance that all parts are designed to work together. I have previously used individual Mallory components and found them to be of generally good quality, so I had relatively high expectations for this kit.
However, compared to more modern electronic ignition systems, the points and condenser system feels decidedly old-school. While simpler in some ways, it also requires more frequent maintenance. While other similar kits exist, I chose this one primarily for the Sierra International reputation and the perceived completeness of the package. Initially, I was cautiously optimistic – hopeful that this kit would provide a reliable and cost-effective solution to my ignition woes.
Real-World Testing: Putting Sierra International 185271 Tune Up Kit Mallory to the Test
First Use Experience
I installed the Sierra International 18-5271 Tune Up Kit Mallory on my Chris-Craft’s engine in my workshop. The controlled environment allowed me to focus on the installation process. The engine is a Mallory V-8 Single Point with Top Terminal distributor. Installation was relatively straightforward, thanks to my familiarity with this type of ignition system.
Initial start-up was smooth, and the engine idled better than it had in months. However, the true test came during a subsequent trip out on the water. About an hour into the trip, I noticed a slight misfire at higher RPMs. It wasn’t severe, but it was definitely noticeable and concerning.
Extended Use & Reliability
After about 50 hours of run time over several weeks, the misfire became more frequent and pronounced. I re-checked the points gap and timing, but the issue persisted. Upon closer inspection, I discovered that the contact set was already showing signs of wear, and the condenser appeared slightly discolored. I feel a quality tune up kit should provide reliable performance well beyond the first 50 hours of use.
The distributor cap and rotor, however, appeared to be holding up well with no signs of cracking or excessive wear. Cleaning was straightforward. However, the premature failure of the contact set was a major disappointment. In comparison to a previous tune-up using a different brand’s points and condenser (though not a complete kit), the Sierra International components seemed to wear significantly faster.
Breaking Down the Features of Sierra International 185271 Tune Up Kit Mallory
Specifications
- Contact Set (18-5314): The points are responsible for opening and closing the ignition circuit, triggering the spark. Proper gapping and material quality are crucial for reliable performance.
- Condenser (18-5338): This component helps to prevent arcing across the points, extending their life and improving spark quality. A faulty condenser can lead to rapid point wear and misfires.
- Distributor Cap with Gasket (18-5376): The cap distributes the high-voltage spark to the correct cylinder. Cracks or carbon tracking can cause misfires. The included gasket is nice, providing a seal against moisture intrusion.
- Rotor (18-5404-1): The rotor spins inside the distributor cap, directing the spark to the appropriate terminals. A worn or damaged rotor can lead to weak or inconsistent spark.
- Interchangeability: GLM 71760, Mallory 9-29313. This compatibility offers flexibility in sourcing replacement parts.
- Application: For Mallory V-8 – Single Point – Top Terminal distributors. Ensuring correct application is vital for compatibility.
Performance & Functionality
The Sierra International 185271 Tune Up Kit Mallory initially performed well, providing a noticeable improvement in engine idle and responsiveness. However, the premature wear of the contact set significantly detracted from its overall performance. While the other components seemed adequate, the weak link in the kit undermined its reliability. The distributor cap gasket was a welcome addition and sealed well.
Design & Ergonomics
The components appeared to be well-machined and of acceptable quality upon initial inspection. The kit’s design is straightforward, reflecting the simplicity of the single-point ignition system. Installation requires basic mechanical skills and tools.
Durability & Maintenance
The limited lifespan of the contact set is a significant concern regarding durability. Regular inspection and potential replacement of the points and condenser will be necessary. Otherwise, the other components appear to be reasonably durable.
Accessories and Customization Options
The Sierra International 185271 Tune Up Kit Mallory is primarily a replacement parts kit and doesn’t offer significant customization options. However, it is compatible with other Mallory distributor components. Upgrading to higher-quality points and condenser from other brands could potentially improve long-term reliability.
Pros and Cons of Sierra International 185271 Tune Up Kit Mallory
Pros
- Complete kit including all essential components for a tune-up.
- Noticeable improvement in engine idle and responsiveness after initial installation.
- Direct replacement for specified Mallory V-8 single-point distributors.
- Distributor cap gasket included.
- Interchangeable with GLM 71760 and Mallory 9-29313.
Cons
- Premature wear of the contact set significantly reduces overall reliability.
- Condenser quality may be questionable.
- May require more frequent maintenance compared to other brands or electronic ignition systems.
Who Should Buy Sierra International 185271 Tune Up Kit Mallory?
The Sierra International 185271 Tune Up Kit Mallory is best suited for boat owners or mechanics who are familiar with older Mallory single-point ignition systems and need a convenient, all-in-one tune-up kit. It’s a decent option for those looking for a quick and relatively inexpensive solution to ignition problems, but be prepared for the possibility of needing to replace the points and condenser sooner rather than later.
Those seeking long-term reliability or who are not comfortable with periodic maintenance should consider upgrading to an electronic ignition system. Also, if you are a boater or mechanic that relies on a dependable tune up of the ignition system, it may be best to avoid this kit. The possibility of premature failure would not be conducive to your operational objectives.
A timing light and dwell meter are must-have accessories for properly tuning the ignition system after installing this kit. Consider carrying spare points and condensers, especially for longer trips.
Conclusion on Sierra International 185271 Tune Up Kit Mallory
The Sierra International 185271 Tune Up Kit Mallory offers a convenient and initially effective solution for tuning up Mallory V-8 single-point ignition systems. However, the premature wear of the contact set is a significant drawback. While the price is reasonable for a complete kit, the potential for reduced reliability may not justify the cost in the long run.
I would cautiously recommend this kit to those who understand its limitations and are prepared to perform more frequent maintenance. However, for those seeking long-term reliability, exploring alternative brands or upgrading to an electronic ignition system is a better investment. Proceed with caution and be prepared to potentially replace the points and condenser sooner than expected.