Autolite and all spark plug manufacturers offer spark plugs pre-gapped in the most popular gap sizes. Because of the many gap sizes required, no one offers spark plugs properly gapped for every application.
Are spark plugs already gapped?
Do Spark Plugs Always Have to Be Gapped? Not always. In the past, it was necessary to gap spark plugs, but today spark plugs are usually pre-gapped. It is advisable to double check that the gap is correctly set to the vehicle’s recommended setting when installing spark plugs.
Are pre-gapped spark plugs good?
Spark plugs traditionally leave the factory pre-gapped for their most popular application. However, a plug may fit hundreds of engines, from cars to golf carts. Gapping the plugs to your engine’s specifications is important to prevent pre-ignition, detonation, fouling and poor fuel economy.
Can you gap Autolite double platinum spark plugs?
Use a round feeler gauge to measure the gap between the center and ground electrode. The gauge should pass through snugly but easily. If it’s too loose or too tight, reset the gap. Screw new plugs in by hand until tight. .
What is the difference between Motorcraft and Autolite spark plugs?
Both Autolite and Ford/Motorcraft spark plugs are built to quality standards using quality components. Autolite manufacture’s the Motorcraft plugs based on the specific design requirements of the Ford Motor Company. Autolite and Motorcraft spark plugs are manufactured side-by-side at our facility in Northern Ohio.”
Do NGK Spark Plugs come gapped?
While most NGK spark plugs are pre-gapped, there are occasions when the gap requires adjustment. Care must be taken to avoid bending or breaking off the fine-wire electrodes. … NGK also recommends adjusting the gap no more than +/- 0.008” from the factory preset gap.
What happens if the spark plug gap is wrong?
Spark plugs that are gapped incorrectly can cause an engine to miss, or run erratically, especially during idle. The incorrect spark plug gaps can cause uneven firing of individual spark plugs and delay engine combustion; both of which can cause an engine to miss or idle erratically.
What is the factory gap for NGK Spark Plugs?
Adjust plug gap from factory specification (. 044″) approximately .
Do spark plugs increase horsepower?
In short, yes, in some situations spark plugs can increase horsepower. The theory behind spark plugs increasing horsepower is that by providing more spark to the firing tip of the spark plug, it will (and does) combust more fuel. …
Is NGK a good spark plug?
NGK 6619 Iridium IX Spark Plugs snagged the top pick in our spark plug comparison because they offered the best mix of high-performance, fuel efficiency, durability, and dependability. Featuring an iridium construction, these high-quality spark plugs provide a longer lifespan than copper and platinum spark plugs.
Which is better iridium or platinum spark plug?
Iridium is said to be six times harder and eight times stronger than platinum with a 700° higher melting point. Iridium spark plugs have extremely fine electrodes while retaining excellent wear characteristics. Thanks to its strength, iridium spark plugs can last up to 25% longer than comparable platinum spark plugs.
Do you have to Gap double platinum spark plugs?
Do not change the gap on platinum, iridium or twin tip spark plugs, as the fine electrodes may get damaged.
Are Autolite double platinum spark plugs good?
Autolite Double Platinum Spark Plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires, and provides improved durability. These superior-performing spark plugs provide the preferred technology for DIS engines.
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What spark plugs do Ford use?
SPARK PLUG BRANDS
Today, you may find some GM or Ford engines factory-equipped with Bosch spark plugs, Mazda engines equipped with Motorcraft spark plugs, Chrysler engines equipped with NGK or DENSO spark plugs, and so on. Most late model Saturn engines use NGK spark plugs.
Is autolite a good spark plug?
Rarely does a discussion about the best spark plugs go without the mention of Autolite. Autolite Spark Plugs are renowned and popular across the globe for various reasons. They are durable and affordable at the same time. This is one of the top reasons why they are always in demand.
Are Motorcraft spark plugs pre gapped?
They are pre-gapped for the 5.4L 2V engine, not the triton which requires the longer plugs. … no, you always have to check the gap on any spark plug , because they are used on many different vehicles.