Are you tuning your engine for more power? If you’re like many enthusiasts running performance tunes, you might be wondering if your stock components, like Motorcraft Spark Plugs, are up to the task. Many Ford owners who’ve tuned their engines, particularly EcoBoost models, have reported experiencing spark issues even with relatively new vehicles. These problems can manifest as carbon buildup, reduced power before the engine fully warms up, and even physical damage to the spark plugs themselves, such as cracked porcelain or incorrect gaps right out of the box.
An image of a new Motorcraft spark plug, showcasing its brand and typical design.
For those pushing their engines harder with tunes, sticking with the factory Motorcraft spark plugs might not be the optimal choice. While Motorcraft is a reputable brand and the original equipment manufacturer for Ford, performance tunes often increase cylinder pressure and temperatures, demanding more from your ignition system. This is where considering alternative spark plug options becomes crucial.
Many tuners recommend stepping away from the stock plugs when enhancing engine performance. For instance, for certain tunes, a colder plug and a tighter gap, like SP-534 gapped to .030 inches, might be suggested. However, if you are looking for an alternative brand that matches the stock heat range but potentially offers better performance in tuned applications, NGK spark plugs are frequently considered a strong contender.
A comparison image highlighting different types of NGK spark plugs, emphasizing their performance features and construction.
NGK spark plugs are well-regarded in the automotive performance world for their quality and consistent performance. A common recommendation for a stock heat range equivalent to Motorcraft, but suitable for tuned engines, is the NGK 6509. These plugs are often suggested for vehicles running increased boost levels, offering reliable ignition without needing to change the heat range drastically for moderately tuned engines. Gapping these NGK plugs to .030 inches can be a good starting point for many tuned applications, ensuring proper combustion and preventing misfires.
Before making any changes, it’s always best to consult with your tuner or a knowledgeable performance specialist. They can provide tailored recommendations based on your specific tune, driving conditions, and performance goals. Upgrading your spark plugs when tuning your engine is a proactive step towards maintaining optimal performance and engine health, ensuring your modifications deliver the power you expect without compromising reliability.
