Quote:
Originally Posted by Hatterasguy
… The FSM is pretty specific about what you can use, I prefer not to backyard engineer things. …
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Agreed, as a general rule. But MB owners seem to make claims about having technical data/information, but never seem to be able to produce it. I’m only trying to ferret out answers. I prefer to not blindly follow what MB Engineering states. Remember, these same "brain children" brought us the ML, et.al., mid-90's wiring harnesses, said Techron as a gas additive (any gas additive) is very bad, then changed direction 180º, etc., etc. I simply want to know "why" resistor plugs are not recommended.
The glory days of Mercedes-Benz are in the rear-view mirror. In my opinion, up until the early 90’s, perhaps a little earlier, MB engineering was awesome. After that, quality of engineering and manufacture went down the toilet. We cannot always use yesterday’s thinking with today’s MB vehicles.
Dpetryk – Your post poses a good question, but the original sticky represented the view that resistor plugs are bad. This thinking has been prevalent amongst MB owners for years. I’m not completely against the concept of non-resistor plugs use only, but struggle with not knowing why. And no one seems to be able to produce data (other than subjective personal experience or “the manual says so”). Inquiring minds want to know.
Quote:
Originally Posted by ASaltyDog
Say, can I use synthetic oil with resistor plugs?
Besides, real men don't need spark plug wires (et.al. 119/980)
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Not sure. What does your MB Owner’s Manual say on the subject of synthetic oil use with resistor spark plugs? That's the standard response. Mine is vague on the subject.
Quote:
Originally Posted by JamesDean
this ***** is confusing. heres a question: why doesn't someone just ask mercedes? like their engineering team. heck I'm gonna email them and see what their official response is.
roar.
email sent to the Classic Center. We'll see what they say...
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Of all the posts, this is the one I’m really watching out for. Yes, I could have e-mail’d the Classic Center myself, but I fear I would get a much generalized answer. Perhaps you might receive a better response. If I had contact information for MB Engineers directly, I wouldn’t be futzing around here with a no-win thread entitled
Spark Plugs: Resistor vs. Non-Resistor. Regardless, I look forward to reading the reply from the Classic Center.
Quote:
Originally Posted by srjulianchivis
A simple question: I have installed Bosch platinum plugs #4020 in a 110 engine - there is no "R" in the number. (I could not care less about radio interference as all staions in the SF Bay Area now suck anyway). So are these plugs resistors or not?
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Not sure. Here is the official Bosch Spark Plug Designation Guide…
http://www.boschautoparts.com/NR/rdonlyres/C77B3446-232B-4AEC-AFA9-AD05F2A0A2AD/0/DesignationCodes.pdf
Sorry, can’t speak to the SF radio stations as I haven’t lived in the Bay Area for over 1-1/2 years.
Quote:
Originally Posted by cdplayer
… Then I read MB spark plug wires offer resistance in themselves. So by using resistor plugs, I was actually not getting a full burn on my fuel. …
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Hmmm… Just out of curiosity, when was the last time the plug wires were changed? As a rule, as plug wires age they increase in resistance. I’m surprised the resistor plugs, by themselves, caused the small amount of soot.