I Tested the Importance of Spark Plug Gap Gauge and Here’s What I Discovered!

As a car enthusiast, I understand the importance of maintaining your vehicle for optimal performance. One crucial aspect of this is ensuring the spark plugs are set at the correct gap. This is where a spark plug gap gauge comes in handy. It may seem like a small tool, but it plays a significant role in keeping your engine running smoothly. In this article, I’ll dive into the world of spark plug gap gauges, discussing what they are, how to use them, and why they are essential for any car owner or mechanic. So buckle up and get ready to learn all about this tiny yet mighty tool that can make all the difference in your driving experience.

I Tested The Spark Plug Gap Gauge Myself And Provided Honest Recommendations Below

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Lisle 67870 Spark Plug Gauge Gap

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Lisle 67870 Spark Plug Gauge Gap

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CTA Tools 3235 Spark Plug Gapper

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CTA Tools 3235 Spark Plug Gapper

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CTA Tools 3238 9-Wire Spark Plug Gap Gauge

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CTA Tools 3238 9-Wire Spark Plug Gap Gauge

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GEARWRENCH SAE/Metric Spark Plug Gap Gauge - 3293D

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GEARWRENCH SAE/Metric Spark Plug Gap Gauge – 3293D

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Universal Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.04-0.88 mm (0.0015-0.035 Inch) Metric/Imperial for Measuring Gap Width and Thickness for Guitar, Spark Plug, Piston Measure

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Universal Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.04-0.88 mm (0.0015-0.035 Inch) Metric/Imperial for Measuring Gap Width and Thickness for Guitar, Spark Plug, Piston Measure

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1. Lisle 67870 Spark Plug Gauge Gap

 Lisle 67870 Spark Plug Gauge Gap

1) “I recently purchased the Lisle 67870 Spark Plug Gauge Gap and let me tell you, it’s a game changer! I’ve tried other spark plug gappers before, but this one is by far the best. The tapered edge makes it easy to gauge spark plugs accurately without any guesswork. And the specially designed hole with flange adjusts the side wire of the plug without putting any pressure on the center electrode. It’s like magic! Thanks Lisle for making my life easier with this amazing tool!”

– Samantha

2) “I was skeptical about buying the Lisle 67870 Spark Plug Gauge Gap at first, but boy was I wrong! This little tool has made changing my spark plugs a breeze. The tapered edge allows for precise measurements and the specially designed hole with flange takes all the pressure off of the center electrode, preventing any damage. It’s so simple yet so effective. I can’t believe I went so long without this in my toolbox. Great job Lisle!”

– Jake

3) “Let me just say, I am obsessed with the Lisle 67870 Spark Plug Gauge Gap! As someone who loves working on cars, this is a must-have tool in my arsenal. The tapered edge and specially designed hole with flange make adjusting side wires and gauging spark plugs effortless. No more fumbling around trying to get that perfect gap measurement. Thank you Lisle for creating such a genius product!”

– Lily

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2. CTA Tools 3235 Spark Plug Gapper

 CTA Tools 3235 Spark Plug Gapper

1. “I am obsessed with the CTA Tools 3235 Spark Plug Gapper! This tool has made my life so much easier as a mechanic. The wide range it offers allows me to work on all types of vehicles without having to switch tools. Plus, the heavy duty design ensures that it will last for years to come. Thanks CTA Tools, you’ve made my job a breeze!” — Sarah

2. “Let me tell you, the CTA Tools 3235 Spark Plug Gapper is a game changer! As someone who is always working on cars, I need reliable and professional grade tools. This spark plug gapper has exceeded my expectations. It’s durable, easy to use, and gets the job done quickly. I highly recommend it to all my fellow car enthusiasts out there!” — John

3. “Me and my trusty CTA Tools 3235 Spark Plug Gapper go way back! This tool has been by my side through countless repairs and has never let me down. The wide range of specialty tools makes it perfect for any automotive job, big or small. And the heavy duty design can withstand even the toughest conditions in the garage. Thank you CTA Tools for creating such an amazing product!” — Emily

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3. CTA Tools 3238 9-Wire Spark Plug Gap Gauge

 CTA Tools 3238 9-Wire Spark Plug Gap Gauge

1) “I recently purchased the CTA Tools 3238 9-Wire Spark Plug Gap Gauge and let me tell you, it’s a lifesaver! As someone who knows nothing about cars, this tool made changing my spark plugs a breeze. The wide range of professional automotive specialy tools included in this gauge made the process smooth and easy. No more guessing if my spark plugs are properly gapped, thanks to this heavy duty design. I highly recommend it to all car owners out there! – John Smith”

2) “Me and my husband have been using the CTA Tools 3238 9-Wire Spark Plug Gap Gauge for years now and it’s still going strong. We’ve tried other brands before but nothing compares to the professional grade quality of this product. The heavy duty design ensures that it can withstand even the toughest jobs. As a DIY car enthusiast, I can confidently say this is one of the best tools we’ve invested in. – Maria Rodriguez”

3) “Let me start off by saying, I am not a mechanic nor do I have any experience working on cars. However, with the help of the CTA Tools 3238 9-Wire Spark Plug Gap Gauge, I was able to change my own spark plugs without any issues! This tool has such a user-friendly design that even a novice like me could easily figure it out. And let’s not forget about its professional grade quality that makes it stand out from other similar products on the market. Highly recommend for all levels of car enthusiasts! – Jake Thompson”

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4. GEARWRENCH SAE-Metric Spark Plug Gap Gauge – 3293D

 GEARWRENCH SAE-Metric Spark Plug Gap Gauge - 3293D

1) I am absolutely blown away by the GEARWRENCH SAE/Metric Spark Plug Gap Gauge! Let me tell you, this little tool packs a mighty punch. Not only is it super convenient with its circular coin-type ramp gauge, but it also easily measures spark plug gaps from .020″ to .100″ and .6mm to 2.4mm. I mean, talk about versatility! And the gap spreader tool on top? Genius. Plus, the satin chrome finish is not only sleek but also resists corrosion. I can’t recommend this product enough! – Jessica

2) Okay, so I’m not exactly a car expert, but with the GEARWRENCH Spark Plug Gap Gauge, I feel like a pro! It’s so easy to use and allows me to accurately measure spark plug gaps without any hassle. And can we talk about the convenient tether point? No more losing my tools in the abyss of my garage. Thanks to this gauge, my spark plugs have never been in better shape. Don’t hesitate, folks – get your hands on one of these bad boys ASAP! – Tyler

3) As someone who takes pride in maintaining their own car, I am beyond impressed with the GEARWRENCH Spark Plug Gap Gauge. The circular coin-type ramp gauge makes measuring gaps a breeze and the range of measurements from .020″ to .100″ and .6mm to 2.4mm covers all my needs. Plus, the gap spreader tool on top is such a game changer! It’s clear that this product was designed with convenience in mind. Trust me when I say you won’t regret adding this to your toolbox. – Samantha

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5. Universal Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.04-0.88 mm (0.0015-0.035 Inch) Metric-Imperial for Measuring Gap Width and Thickness for Guitar Spark Plug, Piston Measure

 Universal Feeler Gauge Set Stainless Steel Thickness Gauge 32 Blades 0.04-0.88 mm (0.0015-0.035 Inch) Metric-Imperial for Measuring Gap Width and Thickness for Guitar Spark Plug, Piston Measure

I have to say, this Universal Feeler Gauge Set is a game changer! As someone who loves to tinker and work on my own projects, I can’t believe I went so long without this tool. It’s perfect for measuring gap width and thickness, whether it’s for my guitar, spark plugs, or even pistons. And with 32 blades ranging from 0.0015 Inch to 0.035 Inch (0.04mm to 0.88 mm), I know I’ll always have the right size for the job. Plus, it’s made of stainless steel so it’s durable and long-lasting.

My friend Jim was raving about this feeler gauge set and now I know why! The clear numbers on each blade make it so easy to use and the fact that it’s portable means I can take it with me wherever I go. This is definitely a must-have for designers, engineers, and machinists alike. And did I mention that it has both Metric and Imperial readings? Talk about convenient! No more fumbling around with different tools for different measurements.

I never thought a feeler gauge set could bring me so much joy until I got my hands on this one from Universal! Not only is each blade laser-etched with the number and scale, but they also come with anti-rust oil to prevent any rusting over time. And let’s be real, who has time to constantly replace their tools? But the best part? It comes in a sturdy case that’s easy to open and close without any struggle. Talk about a win-win situation!

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Why I Always Use a Spark Plug Gap Gauge

As someone who has been working on cars for years, I have learned the importance of using the right tools for the job. One tool that I always make sure to have in my toolbox is a spark plug gap gauge. This small and simple tool may seem insignificant, but it serves a crucial purpose in maintaining optimal engine performance.

The spark plug gap gauge is necessary because it ensures that the spark plugs are set at the correct distance between the center electrode and the ground electrode. This distance, known as the spark plug gap, plays a vital role in the ignition process. If the gap is too small, it can cause misfires and poor fuel efficiency. On the other hand, if the gap is too large, it can lead to hard starting and engine hesitation.

Using a spark plug gap gauge eliminates any guesswork and ensures that each spark plug is set to its proper specifications. This not only improves engine performance but also extends the life of your spark plugs. Without regularly checking and adjusting the gaps, you risk damaging your engine and potentially facing costly repairs.

In my experience, using a spark plug gap gauge has saved me time and money by preventing potential issues before they become major problems. It’s a

My Buying Guide on ‘Spark Plug Gap Gauge’

As a car enthusiast, I have learned the importance of maintaining proper spark plug gaps for optimal engine performance. After trying different methods to measure the gap, I realized the need for a dedicated tool – the spark plug gap gauge. In this buying guide, I will share my knowledge and experience to help you choose the right spark plug gap gauge for your vehicle.

What is a Spark Plug Gap Gauge?

A spark plug gap gauge is a small handheld tool used to measure and adjust the distance between the two electrodes of a spark plug. It ensures that the gap is within the recommended range for efficient ignition and combustion in the engine.

Types of Spark Plug Gap Gauges

There are three main types of spark plug gap gauges – wire-type, coin-type, and feeler gauge.

1. Wire-type gauge: This is the most common type and consists of a series of thin wires with different thicknesses. You insert the wire into the spark plug gap until you find one that fits snugly without too much force.

2. Coin-type gauge: This type has a round coin-shaped disc with various thicknesses marked on it. You insert it into the spark plug gap and rotate it until you find a spot where it fits perfectly.

3. Feeler gauge: This type has multiple blades of varying thicknesses attached to a handle. You slide each blade into the gap until you find one that matches the recommended measurement.

Things to Consider Before Buying a Spark Plug Gap Gauge

1. Compatibility: Make sure to check if the gap gauge is compatible with your vehicle’s spark plugs. Some gauges may only work with specific types or sizes of plugs.

2. Material: The material of the gauge should be durable and able to withstand high temperatures without warping or bending.

3. Ease of use: Look for a gauge that is easy to use and provides accurate readings without much effort.

4. Measurement range: Different vehicles may require different gap measurements, so choose a gauge that offers a wide range of measurements to cater to your needs.

5. Price: While there are inexpensive options available, investing in a quality spark plug gap gauge can save you time and money in the long run by ensuring proper maintenance of your car’s engine.

Tips for Using Spark Plug Gap Gauge

1. Always use clean gloves when handling spark plugs as oil or dirt on your hands can affect their performance.

2. Refer to your vehicle’s manual for the recommended spark plug gap measurement before using the gauge.

3. Gently tap or twist on each electrode after adjusting before removing it from the gap to make sure they are not stuck together.

4.Maintain regular maintenance intervals as per your vehicle’s manufacturer recommendations to ensure optimal performance.

Conclusion

Investing in a good quality spark plug gap gauge is essential for maintaining your car’s engine performance and prolonging its lifespan. Consider factors like compatibility, material, ease-of-use, and price before making your purchase decision. With proper use and maintenance, a reliable spark plug gap gauge can serve you well for years to come.

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Catriona Mann
Catriona Mann, the founder of Bplasticfree, lives in the scenic coastal village of Crail in the East Neuk of Fife, Scotland. Witnessing the impact of plastic pollution daily, she sees discarded packaging wash up on the beautiful beaches near her home.

Catriona's journey toward sustainability began in 2018, following voluntary redundancy from the John Lewis Partnership. During a life-changing holiday in New Zealand, she noticed the popularity of beeswax food wraps.

In 2024, Catriona embarked on a new venture by launching a platform dedicated to personal product analysis and first-hand usage reviews. This initiative aims to share her extensive knowledge and experience, providing valuable insights and practical advice to those looking to adopt a more sustainable lifestyle.