Resistor Vs Non Resistor Spark Plugs Lawn Mowers

The higher arc voltage contains more energy proportional to the voltage squared so you get a hotter spark with the higher voltage. The compelling argument against resistor plugs has always been one centered on this logic.

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I didnt know mowers had sensitive electronics on them unless it would be the hour meters etc stuff like that.

Resistor vs non resistor spark plugs lawn mowers. It is for this reason that most racing plugs are non resistor types. Use of non inductive resistor type plugs on these motors can create an open circuit within the spark plug it will become a dead plug. The difference between resistorand none resistor spark plugsthe none resistor plug the perks the none resistor plug has the better overall performancebecause when it come to electrical.

Since resistor type plugs actually resist some of the spark energy non resistor type plugs actually deliver a more powerful spark. A resistor spark plug will delay the time when the spark jumps. Voltage builds in a ramp regardless of how the spark is generated.

Resistor type spark plugs typically include an r in the part number for ease of identification. However in most automotive applications a resistor plug is required for proper vehicle operation. Resistor plugs help suppress spark plug noise a valuable trait under certain circumstances.

If you are looking for performance you want to use non resistor spark plugs. When the spark crosses the point of resistance some of the spark energy is lost. A resistor is like an electronic obstacle and could be the cause for a weak spark.

Ive always ran resistor spark plugs in all my old bs push mowers even though ive been told you dont have to. While i was taking it apart to replace the gasket i got the bright idea to watch the spark from a plug. As stated before ive been told you can run non resistor plugs in these old units however the past few years ive been running resistor plugs with no problems.

In other words resistor plugs give you a hotter spark than non resistor plugs. Non resistor plug systems like the ones mercedes benz used to use used resistor connectors for the same purpose. Today someone gave me a bs 35 hp engine that they were going to throw away that was leaking oil from the head.

Non resistor spark plugs deliver a more powerful spark. Now i know that the resistor plug would have a weaker spark due to it having built in resistance thus limiting the spark it would put out. A resistor is exactly what the word implies.

This is the part i was concerned with and there was something about elecronic noise interference. Hmmm 5 wrong answers until this post. Mb engineers chose bosch non resistor plugs mb engineers are smarter than us so bosch non resistor plugs must be the only plug that will work otherwise the mb engineers would have chosen something different or given us options.

This effectively will retard ignition. Spark ignition is resistive sensitive.

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