Of course, in order to keep an engine running well, you need to have the right spark plugs. Without good, healthy spark plugs, you will not get the most out of your LS1 engine. You will not get as good of gas mileage and your car will struggle to sustain maximum power. Fuel efficiency is extremely important when looking for spark plugs to use inside your LS1.
First, I’ll give you recommendations of the 4 best spark plugs for LS1 engines, then later one, I will give you tips on what to look for in a spark plug.
NGK # 3186 G-Power Platinum Spark Plugs TR5GP
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If you need fuel efficiency, low emissions, and faster ignition, then NGK plugs are right for you! These plugs are amazing. They are made of g-power platinum alloy. This gives them a huge edge in the efficiency and ecofriendly categories. The laser welded platinum tip gives this plug amazing durability. These plugs don’t take a lot to ignite the engine, giving a consistent and stable spark. This also helps out with the durability.
The ground and center electrode made of platinum alloy also helps the plug to maintain a consistent gap throughout its lifetime. This plug features a triple gasket seal that gets rid of any combustion gas leakage. This plug has anti-corrosion and anti-seizing properties, making the deal even better. If you need a solid spark plug to get your engine’s maximum power and great fuel mileage, then this is the best spark plug for LS1 engines.
ACDelco 41-962 Professional Platinum Spark Plug
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ACDelco spark plugs have been around forever. If you need a reliable spark plug from a reliable brand, you should go with this one. You are paying for quality. ACDelco always creates great spark plugs that have great customer satisfaction. This model has a dual platinum tip. It is designed with an amazing shell that happens to be corrosion resistant. This improves the plugs’ ability to resist erosion and corrosive combustion.
The use of platinum also lowers the amount of voltage needed to ignite the engine. This is very beneficial for the upkeep of your LS1 engine. The one-piece integral suppressor seal gives these spark plugs a long electrode life. It also helps protect against compression leakage. These are a little more expensive, but they are well worth the price. If you want high-quality, durable plugs, ACDelco is always a reliable spark plug to go with.
Denso (4511) PT16TT Platinum TT Spark Plug
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The Denso Platinum Spark Plug is very cost efficient. If you are looking for inexpensive but efficient, you should go with this spark plug. It has an 11-mm center electrode made of platinum and a 11-mm titanium ground electrode that creates the well-known twin tip. With a twin tip spark plug, you are going to see better acceleration and gas mileage than normal single tips.
These spark plugs can also handle extreme stress, making them very durable. These plugs have great thermal conductivity and strength. If you are on a budget, this just might be the best spark plug for LS1 engines.
Bosch (6704) HR8LPP30U Original Equipment Fine Wire Platinum Spark Plug
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This spark plug is great for durability due to the 30-degree continuous laser welded platinum tip. It has a long-life span and a 4-year satisfaction guarantee. The fine wire design helps with the performance life of the spark plug.
If you are looking for great ignitability, this would be a great product. The nickel-plated shell has anti-seize and corrosion protection making this a reliable spark plug with durability. Not only that, but the tapered ground electrode improves the combustion process, keeping your LS1 engine running at its maximum power for a long time.
What Should I Look for in a Spark Plug for My LS1?
Spark plugs ignite your engine. If you do not have great spark plugs, then your car will not reach its maximum power and it will get terrible gas mileage. Therefore, you should look for certain characteristics to determine what the best spark plug is for your car.
I would always look for durability. The longer a spark plug can perform at maximum potential, the better it is for your LS1 engine. A spark plug with a low voltage is great for the upkeep of your engine. So, I would always look for plugs that will not take a lot to start your engine. This will also help your spark plugs last longer.
The central and ground electrode life is crucial as well when pick out your spark plug. Platinum electrodes have always been my favorite. It is also important that your spark plugs are able to lower the amount of combustion gas leakage. While searching for spark plugs for your LS1 engine, ones that prevent leakage entirely should be on the priority list.
The quicker your car is able to start, the better. Therefore, look into fast ignition starts. This will also help with the lifespan of your plugs. So, my number one priority when choosing spark plugs would be fuel efficiency. By going the cheap route on spark plugs, you could possibly cost yourself a lot more in long run through poor fuel efficiency.
Look for spark plugs that will help your LS1 engine get the best miles to gallon. This will help your car sustain its maximum power for longer periods of time. Always look for plugs that are going to give you long-term, excellent fuel efficiency.
Overall, go with the spark plug that you know is going to last. Reliable brands that have been around a while and warranties are always great things to look for. If you consider all of these factors, you will be able to make the best decision about buying the best spark plugs for LS1 engines. Good luck!