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Lost in a Sea of Spark Plug suggestions -72 450SL
OK so I searched all the threads here and I may be a bit more confused. I am trying to track down this miss and some have pointed to my plugs so I got to thinking - (not good)
Sooo, I looked through the posts, I find gap range from .032 - .035 and plugs recomendations for a W9dc0- Bosh, 7911 Bosh or Ngk BP6ES. But also there is referece to 450's VS 560's , early 70's versus 80's All I want to know is what do I put in my 72 450SL .
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#2
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NGK BP6ES...they work well, last long and have a broad heat range, use Nevr-Seez on the threads...end of story...
230/8 p.s.: don't be surprised if your miss stays with you at low idle speeds. It is not uncommon and usually associated with minor wear on the points or uneven fuel injector flow patterns. |
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Gotcha, thanks
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#4
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Quote:
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http://www.benzypalooza.com/index.htm |
#5
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I do , it lists BOSCH - W175T30 or Champion UN1ZY, , which you see leads to more confusion
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Ron 2015 Porsche Cayman - Elizabeth 2011 Porsche Cayman - Bond,James Bond Sadly MERCEDESLESS - ALways LOOKING ! 99 E320 THE Queen Mary - SOLD 62 220b - Dolly - Finally my Finny! Sadly SOLD 72 450SL, Pearl-SOLD 16 F350 6.7 Diesel -THOR 19 BMW X5 - Heaven on Wheels 14 38HP John Deere 3038E Tractor -Mean Green 84 300SD, Benjamin -SOLD 71 220 - W115-Libby ( my first love) -SOLD 73 280 - W114 "Organspende" Rest in Peace 81 380 SL - Rest in Peace |
#6
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Quote:
The plugs I have on the shelf are Super Bosch WR9DC. Bosch has changed there numbering system since 2004 so the new number is WR90dc. The Kragen/Checker internal number is 7512 if they look it up by make and model the will come up with nothing. So 7512 is the magic number. The R in the name of the plug means it is a resistor plug but it takes 20,000 less volts to properly fire a solid copper core VS a platinum plug. Price is now $3.59 a piece, sure am glad I bought 3 boxes of 10 at 1$ back then.[/QUOTE] The two plugs that you can run are a NGK BP6ES or BOSCH WR90DC. Never a problem in my 107 and she is a oil addict. I set my plugs at 032 and let physics take it to 035.
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Happy Benzing Darryl, Hill 2005 SL55 AMG Kleemanized 1984 500 SEC 1967 W113 California Coupe [SIGPIC] https://picasaweb.google.com/lh/myphotos |
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