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T O P I C    R E V I E W
glivs Posted - 03/16/2019 : 16:26:15
Tis the season to start planning/stocking parts. I am no mechanic and plead totally naive with regard spark plugs. My outboard manual recommends NGK DCRP6E plugs. A quick search by that description yields at least 16 different models ranging from "Traditional" ($4.52) to some special version at nearly $13. Are Iridium plugs ($7.67) worth the money? From distant memory I recall some plugs are built to minimize rf although in my quick search this evening I did not see anything along that line mentioned. Thoughts/experience appreciated.
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islander Posted - 03/17/2019 : 08:58:59
Mostly unless you are building a high performance race engine or you just never change the plugs then Iridium coated plugs might be a benefit. Iridium is part of the platinum family of noble metals and is the hardest. Is there a benefit? Yes under certain situations but our little engines don't warrant the use of them and would be a waste of money.
Voyager Posted - 03/17/2019 : 06:27:15
Marketing hype, perhaps? A way to separate a boater from their money? Or selling peace of mind?
glivs Posted - 03/16/2019 : 19:35:07
Thanks Scott...yes I added the "Traditional" model to my shopping list; just curious about the number of variations of the same model plug.
islander Posted - 03/16/2019 : 17:48:16
My advice is to go with the standard (traditional) NGK plug that was designed by the engineers to be used in your motor. Radio interference is a thing from the past. Modern plugs have that protection. If that NGK # is what the manufacturer calls for then why second guess them.

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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.