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Spark plugs are designed so that they transfer heat from the combustion chamber to the head where they are mounted. If they stay too cool you will get high emissions, poor fuel economy, and generally poor performance. If they get too hot they could ignite the fuel mixture without a spark, but more of a concern is that they could overheat the piston and possibly melt a hole in it. Plugs of similar design are manufactured with different amounts of insulation around the center electrode to control heat range. Engine manufactures will sometimes recommend different heat range plugs for different applications. Engines under heavy load and/or operated in high temperature environments will use a "cooler" plug then those that are not constantly stressed. You should use the manufacture recommended plug heat range unless you are doing something the manufacturer never anticipated.
What else can I help you with?
What is the spark plug gap on a 1984 Honda v65 Sabre?
1984 v65 sabre plug gap and NGK Spark PLug and heat range
Can you use an RJ19-lm spark plug instead of a J19-lm spark plug?
Yes you can. The "R" simply refers to the plug being a resistor plug. The size, diameter, heat range and thread pitch are exactly the same.
What is the correct spark plug set up for a 2001 Chevy Malibu Which wire goes to which spark plug from the spark plug to the distibutor cap A diagram would be helpful?
only use AC Delco plugs, there the only one with the correct heat range.
Is spark plug brisk JR19 compatible with spark plug 802592E?
The Brisk JR19 spark plug and the 802592E spark plug are not directly compatible as they are designed for different applications and specifications. It's essential to check the specific requirements for your engine, including the heat range, thread size, and gap. Always refer to the manufacturer's recommendations for the correct spark plug to ensure optimal performance.
Are all spark plugs the same?
No There are many types of spark plug. They differ in size, heat range and amount of electrodes fitted. To avoid damage to an engine always use the recommended spark plug for that engine. The wrong plug will cause massive engine damage at times.
Why did the spark plug electrod melt off?
Too long since last change Wrong heat range for use
What is the difference between ngk-dpr7ea-9 and ngk-dpr9ea-9 spark plug?
heat range. 7 is a "hotter" plug. That means it transfers more heat to the cylinder head during operation.
Normal value of voltage in spark plug and distributor function?
spark plug produces spark in the range of 15000-35000 volts.
Can you use a Lawn Mower spark plug on my car?
NO, lawn mower spark plugs and a car's spark plug are different lengths, heat range and gap. Even if it fits the threads for the hole you run a high risk of causing major damage to the engine.
What causes knocking after changing the spark plugs?
Possible wrong heat range of plug. Make sure you have the right plugs for the vehicle.
How do you keep your spark plugs from fouling up?
Correct tuning, correct heat range plug, correct oil/gas ratio for the motor
What causes a 1982 Honda Silverwing 650 to keep burning out spark plugs?
Wrong heat range plug for the fuel and/ or riding conditions
