[DeTomaso] E3 SPARK PLUGS

[Thomas Tornblom]

Multi-ground spark plugs lasts longer, that's why VW use three ground 
plugs. The plug will only fire at one of the gaps anyway. Once the gap 
that fires easiest has worn a bit the plug will start firing from one 
other gap.

Wear is very noticeable on these plugs. When replaced, at around 60000km 
or so, the center electrode is shaped like a wankel rotor :)

Personally I only use NGK plugs. The Pantera now has UR4:s bought in the 
US. Not sure if they can be had here. Seems they have different plugs in 
Europe and the US.

Thomas


2013-08-25 21:39, JDeRyke at aol.com skrev:
> In a message dated 8/25/13 3:05:06 AM, jjdetrich at gmail.com writes:
>
>> I googled E3 and it looks like smoke and mirrors to me. Who really knows?
>>
> Jeff, the old Splitfire plugs were similar in design. In fact, Splitfire
> was sued for damages and went out of business shortly before the E-3 plugs
> popped into existence. So who knows, indeed. From what I can find, multi-ground
> plugs sometimes show a small gain in power/mileage on lower tuned
> carbureted or speed-density efi, but not with mass airflow efi or a highly tuned
> carb. And the lifespans reported for the special plugs seem low in respect to
> conventional plugs particularly with regard to the price charged. When I was
> flying with the Navy and working on old P & W radials, these pre-WW2 engines
> used 2-ground plugs made by Champion. As I've said before, some car owners
> do believe in magic. My 2¢- J DeRyke
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Real life:   Thomas Törnblom             Email:	   thomas at hax.se
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