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Mercedes 450SL R107 Project: Spark Plug Replacement
Anyone got any questions on the Project: Spark Plug Replacement for your Mercedes 450SL R107?
Here's a back link to the original article: Pelican Technical Article: Spark Plug Replacement -Wayne |
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Quote:
What if the spark plug does not have a threaded cap? 1982 380sl |
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Platinum plugs??? Resistor plugs??
Only one of the plugs listed is generally considered acceptable. Platinum a no-no. The NGK non-resistor is the only plug that most knowledgeable owners would use.
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Graham 85 300D,72 350SL, 98 E320, Outback 2.5 |
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Balderdaash - I put the Bosch Platinum Plus 4 plugs in my 1977 450 SLC with 32,000 miles. It runs MUCH better than before, smoother but seems to actually have more power. I have to be careful now not to leave rubber from a stop light.
Best thing I have done so far!!!!!!!!!!!!!!!!! |
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The NGK non-resistor is the only plug that most knowledgeable owners would use.
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Graham 85 300D,72 350SL, 98 E320, Outback 2.5 |
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Agreed. My '73 ran like crap with platinum plugs.
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