Anyone try Platinum or Iridium plugs? - Snowblower Forum : Snow Blower Forums
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post #1 of 17 Old 04-11-2018, 09:09 PM Thread Starter
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Anyone try Platinum or Iridium plugs?

Has anyone tried Platinum or Iridium plugs in their snowblower or lawn mower for a hotter spark for easier starting?

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post #2 of 17 Old 04-11-2018, 09:49 PM
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Originally Posted by JLawrence08648 View Post
Has anyone tried Platinum or Iridium plugs for a hotter spark for easier starting?
I replaced the torch plug after i read here they were garbage i saw no change on the lct 414
ill keep the torch as a backup
i also have never ownd a small engine that woudnt start 1 pull when set up right must be lucky
dont see it helping a good running engine or hurting
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post #3 of 17 Old 04-11-2018, 10:25 PM
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Use Iridium plugs on the bike and are great but no issues starting the lawn equipment on a standard plug so never spent the extra, Bike didnt have issues either but was changing them anyway so put the Iridium plugs in.

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post #4 of 17 Old 04-11-2018, 10:53 PM
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I have never used them in a small engine. A friend put Iridium plugs in his old but real nice Polaris 295 colt snowmobile and melted the the left piston. Destroyed the jug. I think a 1973. He said it was running great but decided that after 45 years with the factory plugs he would give it a once over. It may have 2500 miles on it.
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post #5 of 17 Old 04-11-2018, 11:19 PM
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Quote:
Originally Posted by Lottstodo View Post
I have never used them in a small engine. A friend put Iridium plugs in his old but real nice Polaris 295 colt snowmobile and melted the the left piston. Destroyed the jug. I think a 1973. He said it was running great but decided that after 45 years with the factory plugs he would give it a once over. It may have 2500 miles on it.
No plug can do that, A seriously lean running cylinder on the other hand will.

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post #6 of 17 Old 04-12-2018, 07:33 AM
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Originally Posted by Dauntae View Post
No plug can do that, A seriously lean running cylinder on the other hand will.
oh yes and very fast. seen it to many times in the shop,one side is fine the other gone.


as to plugs the torch brand made in china plugs last a few hours at the most,then fail,, with the hours per year run on a small engine a good old copper plug works fine for many years . i mean how many times is a 20 year old briggs or tech found that still runs good with the OEM champs still in the head?
a 3 buck plug ver a 10 buck,each to their own
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post #7 of 17 Old 04-12-2018, 07:51 AM
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One of the reasons to use Platinum or Iridium plugs on cars is to get extended life (90-120K miles vs 30K on standard plugs) without needing replacement (less maintenance).
On a small engine I do not see the need for one (but the same happens with synthetic oil use and I DO use Mobil-1 on my small engines ).
I've always used standard plugs on small engines.
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post #8 of 17 Old 04-12-2018, 08:13 AM
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I just use those plain old high flootin' NGK Plugs with oot all the fancy smancy stuff on them. come to think of it I ran 1 of those in the weed mower for 5 years before it finally told me to change him oot.

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post #9 of 17 Old 04-12-2018, 08:49 AM
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i use regular NGK plugs in all my lawn/snow equip and have never had one fail. cost abot 1.30 cents
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post #10 of 17 Old 04-12-2018, 11:01 AM
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Quote:
Originally Posted by Dauntae View Post
No plug can do that, A seriously lean running cylinder on the other hand will.
If the plug isn't the correct heat range as in too hot it can cause pre-ignition and in short order pop a hole in the piston.

It's just a snowblower. I do use special plugs in my cars but one it turboed and the other is supercharged. They can make use of something special. Snowblowers just get a standard Chanpion, NGK, ... I tried E3's, IMHO worse than junk !!

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