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Old 04-08-2004, 06:15 PM
gogetter gogetter is offline
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Spark plug cross reference site...

For those interested, there's a nice Cross Reference feature on this website:

www.sparkplugs.com

I've found it pretty helpful.
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  #2  
Old 04-09-2004, 12:27 AM
gogetter gogetter is offline
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Ok, am I making spark plugs more difficult then they need to be??

Do you really need to follow them "to the letter"?? For example, isn't a RCJ7Y the same as a CJ7Y? Just without the "R" (resistor).

And according to the definition of the "resistor" on that site, it sounds as though this isn't necessary for small engines. Am I understanding it right?

The reason I'm asking is what if I suddenly need a RCJ7Y, but the hardware store only has a CJ7Y, can I use it?


Ok, now here's another one. I have a bp blower that requires a Champion RCJ7Y, and a hedger that requires a RCJ6Y. Two different plugs right (one's 7Y, one's 6Y)?.
But when I cross reference them to NGK plugs, I get one plug, BPMR7A.
Does that mean I could use ANY one of them (RCJ7Y or RCJ6Y or BPMR7A) in either machine?

How EXACT do they need to be?

Thanks.
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  #3  
Old 04-09-2004, 09:22 PM
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riches139 riches139 is offline
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Yes, you can use the "non resister" plug. The "resister" has a core for radio interfearance.

The 6 & 7 on the RCJ7Y & 6y are the heat range.
The NGK BPMR7A covers both ranges.

The Champions are so close in range, you probably couldn't tell the difference.
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