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uscarb

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Registered: 04/18/11
Posts: 6
Reply with quote  #1 
Tech Bulletin
 
We are often asked about E3 type sparkplugs and if there is any advantage to using them in a tri-fuel generator instead of the standard spark plug. For instance we just recently received this question:
 

 

"I purchased your tri-fuel propane conversion kit back in March 2009 -
works great!

My Honda GX160 is running with at NGK BPR6EY Pro-V plug gapped at 0.020".

Is there any advantage to replace this plug with a E3.22 plug?


Thanks for your help - lots of hype on this E3 plug going around."

 

USCarb-Tech

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Registered: 04/19/11
Posts: 654
Reply with quote  #2 

There are many different theories on the E3 spark plug. I did a bit of research on the E3 sparkplugs some time back and most of the feedback I found seemed good.  However I also found a few that claimed the sparkplug damaged their engine or made their engine run rough. The E3 sparkplug is supposed to give a more complete burn of the fuel in the combustion chamber. The way the plug is designed it lets the spark go straight down into the cylinder instead of the spark being dispersed at the top of the cylinder. However,  we have not yet had the time to test this E3 type spark plug on generators in the conversion center.  Our policy is to never recommend a product that we do not thoroughly test ahead of time.  So I’m sorry to say that without testing I cannot recommend nor oppose the use of the E3 plug in your generator.  What we always recommend is the safest course which is to follow the manufactures recommendations and that would also be true when it comes to the use of the E3 plugs in your generator.  However, it should be mentioned that our recommendation of a spark plug gap of .020 is so that the spark flame itself is more powerful (the tighter gap condenses the charge) and by looking at the E3 sparkplug video online it’s hard to tell if it would help in generating more charge or reduce the energy by spreading out the spark flame. If any forum members have actually done this type of testing and have results worth sharing, please post it and we will add it to this topic.


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USCarburetion, Inc.
nld1960

Registered: 10/02/11
Posts: 12
Reply with quote  #3 
Would there be a spark plug one can use if you go back and forth from natural gas to gasoline?

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USCarb-Tech

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Registered: 04/19/11
Posts: 654
Reply with quote  #4 

Hi

 

  I'm not aware of any spark plugs that are built specifically for switching between gasoline and Natural Gas. However regular spark plugs work excellent for both fuels ecspecially if the gap is set to twenty thousandths.

 

Thank You

USCarb-Tech


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