That would be me who said that platinum is a waste of money. Here is a basic lesson in electrical conductivity. -- WARNING: my numbers might be slightly off but they will show the relative scale of the difference -- Electrical Conductivity , the higher the number the more conductive. Silver 108 Copper 103 Gold 73 Aluminum 64 Platinum 16 As you can see silver would give you the best electrical transfer, but it is a little expensive to be using in a car. Since copper is so close and much more economical it is used in almost all electrical components, where corrosion and hardness is not a factor. Platinum is used for 2 reasons. First marketing, people know platinum is a precious metal and there for are willing to pay to say they have it in their car. The other engineering reason it that platinum is highly resistant to corrosion from the gasses in side the engine, and doesn't erode due to the spark. This is how companies can say the plugs will last 100k miles. Every time a copper plug fires tiny bits of the electrode are blown off. As long as you do basic maintenance and replace the plugs every 30k miles you will never notice a problem with them. Andrei ----- Original Message ----- From: "cruznmd" <racuti1@xxxxxxxxxxxx> To: <DMCForum@xxxxxxxxxxxxxxx> Sent: Thursday, August 21, 2003 9:25 AM Subject: [DMCForum] Bosch HR 6 DS > Wow... > > Who runs these plugs? They cost around $7.00 a piece. > > Someone here recommened against running platinum plugs. What was the > reasoning behind this? I forget. > > In this series of plugs, the DS indicates a silver plated electrode. > I can get DC's (copper) for around $2.00 per plug. > > Do the silver plugs burn hotter than copper? I -presume- platinum > burns even hotter yet. > > Also, what would be the effect of replacing my old Champion plugs > with new Bosch plugs but not replacing the coil? Would I even see a > difference? Would it be a waste? > > I'm running kinda thin again and I don't know if I can run out a buy > a coil right now. > > Advance Auto did have an Accel coil for $25.99 but it didn't say what > the voltage output was. I didn't want to buy another weak coil. > > Come on people, let's get off the "ass-hat" bandwagon and talk about > cars! > > Rich > > > > To unsubscribe from this group, send an email to: > DMCForum-unsubscribe@xxxxxxxxxxxxxxx > > > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/ > > Yahoo! Groups Sponsor ADVERTISEMENT <http://rd.yahoo.com/M=244522.3707890.4968055.1261774/D=egroupweb/S=170512 6215:HM/A=1595053/R=0/SIG=124gf29oe/*http://ashnin.com/clk/muryutaitakenat togyo?YH=3707890&yhad=1595053> Click Here! <http://us.adserver.yahoo.com/l?M=244522.3707890.4968055.1261774/D=egroupm ail/S=:HM/A=1595053/rand=828528309> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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