Sparkplugs: is "br2-LM ngk" the same as "rjl19lm"? - Snowblower Forum : Snow Blower Forums
 
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post #1 of 8 Old 07-19-2015, 12:34 PM Thread Starter
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Sparkplugs: is "br2-LM ngk" the same as "rjl19lm"?

Look at pic the new is deeper I don't have a Guage but the gap.looks different too
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post #2 of 8 Old 07-19-2015, 01:02 PM
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I've swapped those before. More realistic if you align the threads, and not the top or hex drive. Plugs swap by heat range, threads and tip (non projected, vs. projected) gap is engine manufacture spec.
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post #3 of 8 Old 07-19-2015, 01:05 PM Thread Starter
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So.im good.to go I can use it?
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post #4 of 8 Old 07-19-2015, 01:07 PM
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I'd use the upper one If the lower one is from your engine, you may have some issues
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post #5 of 8 Old 07-19-2015, 01:20 PM Thread Starter
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The lower one is from my engine. So did u swap without issues?
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post #6 of 8 Old 07-19-2015, 01:39 PM
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Yes.
That NGK is a standard cross over for the Champion. I used to run dirt bikes and always liked the NGK brand over Champion.
The bottom plug looks a little oily or carbon coated (rich running or blow by). You ideally want your plugs to look tan like the top one.
Here's some links to understand the differences and how they can cross or slightly change, like not really needing resistor types.
Champion RJ19LM - Alternative spark plugs
http://www.ngksparkplugs.com/techinf...tnumberkey.pdf
https://www.sparkplugs.com/learning-...or-hotter-plug
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post #7 of 8 Old 07-19-2015, 08:18 PM
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use the ngk champions are garbage, in fact i just bought two rj19lm and after taking a closer look at the plugs the ceramic on one of them was cast off center. fing ridiculous. should have just special ordered the br2lms like i always do, both are going back tommorow
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post #8 of 8 Old 07-19-2015, 10:04 PM
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How was your motor running with the old plug. Your old plug loos like mine before I cleaned the carburetor.
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