3 ground sparkplug - any info ? By gy6fandan (Read 681 times)

[gy6fandan]

Any one had any experience(s) with the 3 ground strap spark plugs?
Better or worse performance / ground straps breaking off / issues gapping, etc ?
image here:
3 ground spark plug

Thanks

[glavey]

In my opinion, they seem like a gimmick. Also, gapping would be a nightmare.

[Bashan]

I just don't think hot coils and trick sparkplugs do anything more. There's just not enough volume of the charge to be difficult to ignite. A regular spark plug will set off the combustion just fine. I'm sorry folks, and I really like GY6s, but they are a large lawn mower engine. There's nothing exotic about them and exotic components do nothing but lighten your wallet. A BBK is a different matter because there is no replacement for displacement. The timing CDI helps also, but skip the hot coils and plugs. CVT tuning with sliders and springs can also help.

[gy6fandan]

*** glavey - & - Bashan ---> Thanks for the thoughts on the 3 ground plugs - the sparks in the plugs go round and round.... round and round... round and round

[glavey]

Now I'm gonna have that song stuck in my head all night long.

Also, I don't mean to day that Bash is wrong, but I have heard that hotter coils make for easier starting, but no real additional power.

[Bashan]

Yeah, I could see that. Things are different on startup when everything is cold. I do agree with the no additional power though. By the way Glavey...you're banned.

[Deleted]

Multi ground spark plugs are the best choice in certain applications, especially those high performance engines that are running close to stochiometric or slightly leaner.

a higher KV output ignition coil is needed as the air/fuel charge starts getting a little too lean, like from a sputtering or partially clogged injector or fuel that contains too much alcohol or doesn't dry out / blend well

a good example of this need for multiple grounds is the Mercedes v engines that run just a little on the lean side normally. it is not to say that they can't be used in other applications. they are pregapped just like Platinum plugs.

[jct842]

Then there are those plugs that have no ground electrode, mercury outboards used to use them. I found a regular plug worked a lot better for trolling and starting than the goofy plug.

Then we have the iridium plugs. Under normal conditions I have never seen any advantage out side of they do last a little longer. They will ignite a rich mix and keep a plug from fouling longer but there are better ways to deal with that. Like feed the engine the proper mixture and the plug won't foul./ With the pointy center electrode they will fire with less voltage, but I like to think if the engine was kept in decent shape you would not need that help.