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  #1  
Old 05-03-2007, 05:32 PM
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NGK spark plugs

Are the NGK spark plugs copper core plugs with no resistance?

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  #2  
Old 05-03-2007, 05:54 PM
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Depends. If it has an "R" in the part number or designation, it is a resistor plug. If it doesn't, then it most likely is not.
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  #3  
Old 05-03-2007, 06:46 PM
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NGK Spark plugs

I should have simply asked ,Does NGK make a copper core spark plug?
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  #4  
Old 05-04-2007, 03:05 PM
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Their V-Power plugs are copper. They are coated with another metal but the core is copper and they are very good alternates to the OE Bosch ones we use.
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  #5  
Old 05-04-2007, 09:11 PM
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Quote:
Originally Posted by yal View Post
Their V-Power plugs are copper. They are coated with another metal but the core is copper and they are very good alternates to the OE Bosch ones we use.
non-resistor plugs usually not available in North America for 300e anyway.Some sold on ebay from UK site,though
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  #6  
Old 05-04-2007, 09:43 PM
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Quote:
Originally Posted by petaling View Post
non-resistor plugs usually not available in North America for 300e anyway.Some sold on ebay from UK site,though
They sure are available in the U.S.

The Parts Shop sells them:

http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=1SH0P7SVN22T1AIE5C&year=1992&make=MB&model=300-E-002&category=F&part=Spark+Plug
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  #7  
Old 05-04-2007, 10:09 PM
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Note the "R" denoting "Resistor".
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  #8  
Old 05-04-2007, 11:17 PM
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did anyone ever find a good source for the old plugs in NA? What about switching the plug wires to reflect the change in resistance of the spark plugs themselves?
Jason
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Old 05-04-2007, 11:27 PM
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Quote:
Originally Posted by JasonOne View Post
did anyone ever find a good source for the old plugs in NA? What about switching the plug wires to reflect the change in resistance of the spark plugs themselves?
Jason
What guys are doing now [ just b/c they have been forced to do it, mind you] ..is eliminating the resistor plug ends on the wires and subbing regular plug terminals on the wire ends and then using the resistor plugs...but you can not do that on the coil-over set-ups of the waste spark systems..
The trick is not to have R plugs with R connectors stacked on top of them....duh..

I have seen ads lately on Google where a company in Oregon is advertising to buy any Bosch non-resistors in bulk from anywhere/anyone who has any left in stock....
Just go NGK...better plug anyway................
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  #10  
Old 05-05-2007, 11:10 AM
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Anyone got a source for NON resister style plugs... NGK or otherwise?
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  #11  
Old 05-05-2007, 09:14 PM
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(1)those are Bosch,not NGK the OP asked for NGK

(2)those are resistor plugs.

(3) non -resistor plugs Bosch are available but by the special order link,no t the regular link on Fastlane.I cant find the link anymore.Previusly was on a sticky at top of shop forum

(4)ngk non-resistor plugs are available from ebay.co.uk
http://cgi.ebay.co.uk/NGK-spark-plug-BP5EFS-plugs-BP5EF-S-check4-application_W0QQitemZ8041015091QQihZ019QQcategoryZ72205QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

(5)even with the resistor NGK plugs TR5 readily available in NA,,I had no problem but I decided to switch back to non -resistor Bosch ,which was available from the UK before I found out that fastlane had them,but they were 2-3 times resistor plug price on fastlane.
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Last edited by petaling; 05-05-2007 at 09:30 PM.
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  #12  
Old 05-05-2007, 09:30 PM
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http://www.ngk.com/



http://www.ngksparkplugs.com/
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  #13  
Old 05-05-2007, 09:32 PM
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Quote:
Originally Posted by petaling View Post
(3) non -resistor plugs Bosch are available but by the special order link,no t the regular link on Fastlane.I cant find the link anymore.Previusly was on a sticky at top of shop forum.
You must be the 3rd guy to tell me the plugs on Fastlane are resistor plugs.

I remember the link that whunter posted with the sale on resistor plugs, but I couldn't find it either.
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  #14  
Old 05-06-2007, 04:15 PM
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NGK BP6ES should be fine, and available at your local autozone etc
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  #15  
Old 05-09-2007, 01:53 PM
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96 Sl500 Ngk

The NGK web site shows the following V plug as being the proper plug BKR5E for my car. Are we saying that using a resistor plug will work fine as a replacement for the non resistor plug?

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