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Old 03-18-2001, 05:14 PM
jdoc7
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Hi,

I did a search on these plugs but came up with nothing. Does anyone know anything about these plugs? According to their website, silver is a better conductor than copper which is what everyone keeps saying to stick with for the 124's. I know the debate between platinum and copper cores ended with copper being a better conductor than platinum and also platinum electrodes were too thin. However, Nology claims their plugs have thick silver electrodes and better conductivity than copper or any other metal electrode. They are expensive though. Would it be worth the added expense? If anyone has used them and can comment on them, I'd appreciate it. Thanks!



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Old 11-12-2010, 08:56 AM
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Giving them a try.

I know this is a really old thread, but it was the only thing on the forum dealing with this type of spark plug.

My car, an 89 300se had platinum plugs when I bought it. I switched them out right away for the only copper core plugs I could find locally, which were resistor Champions. I then ordered a set of non-resistor Bosch plugs, but when they arrived the supplier had substituted resistor plugs. I contacted them but they claimed the non-resistor Bosch plugs were no longer being made and these were all that he or anyone else could get. I finally decided to return them for a refund and just leave the Champions in place.

A year and half later the Champions were worn out, so I tried again to find some non-resistor plugs and wound up ordering a set of non-resistor NGKs. However, when they arrived they had been substituted for resistor plugs. Called the supplier and got the same story. I wasn't sure I believed them but I returned the the plugs for a refund.

I've been reading about the Nology Silverstone, silver core, non-resistor plugs for awhile now. There was nothing about them on the forum but there is smattering of opinion on the web, some good, some bad. Anyway, I decided to be the guinea pig and give them a try.

I gapped them at .035 and they've been in about a week. The idle, which with the worn out Champions had gotten a bit rough is now smooth, though I don't think it's any smoother than it was when the Champions were new.

I guess we'll see how it goes. The Champions lasted about 35,000 miles. I'll report on the Silverstone's performance from time to time, and see if I think they were worth the $7 per plug premium over the price of the Champions. At least I finally have some non-resistor plugs in there.
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Old 11-12-2010, 09:24 AM
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What is sold as "Nology Silverstone" are actually "Beru Silverstone"
Correct Beru P/N for the M103-12V is S1K ( 0001.329.805 )
Recommended gap is 0.8mm or 0.032"

AS soon as I get my project complete, I'll be installing them in place of the NGK BP6EFS in my M103-12V twin turbo.

I picked up a dozen of them as they are becoming difficult to source.

Technically they look fantastic as they are not heat range specific.
I've seen great results on Chevy LS motors.

Also will be installing a Nology PFC-M70 ( 151.991.700 ) ProFire coil.

Ed A.

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