C32 AMG, C55 AMG (W203) 2001 - 2007

Changed the plugs and wires...BIG difference!

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Old May 4, 2006 | 09:23 PM
  #26  
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2002 C32 Black/Charcoal
No need to gap. Just leave as-is.
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Old May 4, 2006 | 10:09 PM
  #27  
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C43, SLK32, CLK63 Black Series
Originally Posted by 1FASTC32
yup, that is the place, they haven't updated their website in quite a while, couple years or something, the pricing is really old...they said they wouldn't sell it for that price...
Well the ignition wires arrived today so I did manage to get them for $135 plus shipping.
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Old May 4, 2006 | 11:05 PM
  #28  
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Originally Posted by SteveL
Well the ignition wires arrived today so I did manage to get them for $135 plus shipping.
sweet, which set is it?
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Old May 4, 2006 | 11:33 PM
  #29  
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Originally Posted by 1FASTC32
sweet, which set is it?
The one you specified above, 65211. They are red with "Magnecor KV85 Competition" on them. The box says "Chrysler Crossfire Merceded Benz, 2.6, 2.8 & 3.2 V6 engines, 1998-2004" and "KV85 Competition 8.5mm Ignition Cable".
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Old May 4, 2006 | 11:35 PM
  #30  
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good deal, i was hoping you didn't get any of the other sets...post up when you get them on, i will be interested to hear your assessment...
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Old May 5, 2006 | 02:16 AM
  #31  
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thanks guys I did order the same wires from the same place I'm going to wait if I get it for $130 I got an email confermed on my order
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Old May 5, 2006 | 03:04 AM
  #32  
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anyone in socal (orange county) that has done this themselves willing to make some money to do the change? Id like to try this upgrade out, but I dont know about getting to the plugs.
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Old May 5, 2006 | 03:33 AM
  #33  
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i will take detailed pix of it when I do it. I should get the wires in a week or so
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Old May 5, 2006 | 11:14 AM
  #34  
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Originally Posted by Trekman
thanks guys I did order the same wires from the same place I'm going to wait if I get it for $130 I got an email confermed on my order
I had to call Graham after I didn't get an email saying they shipped. It took a bit but I wasn't in a hurry. He said that Magnecor said they didn't get the order so you may want to follow up in a few days to confirm that they shipped. Graham was very helpful, he had them priority shipped at his expense because of the delay.
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Old May 5, 2006 | 11:20 AM
  #35  
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good thing to know... thanks
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Old May 5, 2006 | 02:13 PM
  #36  
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Originally Posted by Trekman
i will take detailed pix of it when I do it. I should get the wires in a week or so
great. I'll look forward to the write up!
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Old May 5, 2006 | 06:32 PM
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C32
So why does everyone think the IK16 is a better plug than the IK20 for a modded C32? The IK20 is colder and is what Denso reccommends for a modded C32
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Old May 5, 2006 | 06:57 PM
  #38  
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Originally Posted by Zeppelin
So why does everyone think the IK16 is a better plug than the IK20 for a modded C32? The IK20 is colder and is what Denso reccommends for a modded C32
2 reasons:

1. a car never runs as good for daily driving when you put in a colder plug...

2. general rule of thumb for moving to a colder plug is 100 HP over stock, most C32's will never reach that level of performance...
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Old May 5, 2006 | 07:18 PM
  #39  
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Well I just read their website and an IK20 is the stock heat range for a C32 a IK16 would be hotter than stock, not good here in CA. I think I will go with a IK22 to be safe.
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Old May 5, 2006 | 07:24 PM
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why do you think evosport recommends the IK16? i don't think you will be happy with anything colder, but suit yourself...
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Old May 5, 2006 | 08:13 PM
  #41  
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Zepp: I have no personal experience with the IK20, but a couple of people on this forum tried them and were less than thrilled. I can tell you from 20K miles of personal experience (including driving in my black car out in El Centro in July)that a modded C32 runs killer with the IK16, even on 91 octane, and even in hot weather. The IK20 is probably the safer, more conservative plug to run with the C32, but if we wanted safe and conservative we would have all bought Volvos.
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Old May 6, 2006 | 01:25 PM
  #42  
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From reading Denso's site, it sure sounds like for a modified engine with a high compression ratio, you should at least use 20 or 22 as Zepplin said. If you have added 50+ hp, it sounds like you might get some retarding as engine temperatures increases. It would be nice to get some more opinions on this thread. I've PM'd Vadim to encourage him to contribute. Ideally it would be nice to see dyno with 16 and 20 to see if there is any difference.
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Old May 6, 2006 | 05:28 PM
  #43  
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from what i remember, Vadim is running the IK16....if someone wants to foot the bill for a set of IK20's, then i will gladly pay for the dyno time to end this debate....if the IK20's are better, then i will gladly relent, as i don't want to run anything that is not optimal for performance...

one thing to note though:

a plugs temperature is not the only thing to take into account when considering which one to run...plug placement in the cylinder head is also something that MUST be considered...sometimes moving to a plug that protrudes farther into the cylinder head or protrudes less, will make a bigger difference in performance and daily driving then the actual temperature rating of a plug...
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Old May 9, 2006 | 05:43 PM
  #44  
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Vadim replied to my PM. He said that he thought they used IK16 but didn't notice much of a difference. He also said that the stock plugs were Iridium.
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Old May 10, 2006 | 10:13 PM
  #45  
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In looking at replacing the plugs, I noticed that there are some metal shields over the spark plug cover. I assume these are reused with the Magnecor wires. How do the metal shields come off?
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Old May 10, 2006 | 10:49 PM
  #46  
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no, you do not reuse the metal shields...
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Old May 10, 2006 | 11:18 PM
  #47  
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Anyone look at the IK16 plugs, after hard miles, under boost?

The IK16 plug are the standard plug for the normal high compression C320.

The C32 is a low static compression motor, with an added blower over the C320. With the blower engaged the effective compression ratio is higher than the C320, but with the blower disengaged, the effective compression ratio is much lower than the C320. Most of the time the C32 blower is not engaged.

The reason to run a colder plug, with extra boost or compression, is to keep the peak temperature of the plug under control, so it does not melt or cause pre-ignition.

The reason, to run a hotter plug is to keep the electrode clean and prevent fouling.

If the plug is too hot, then the timming could get pulled back (retarded), under max boost. Also, it is possible to melt away the electrode or crack the insulator.

I guess most people putting in the IK16 plug, are not tracking (racing) the car for long periods of time and spend most of the time, not in boost.
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Old May 11, 2006 | 10:00 AM
  #48  
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Originally Posted by m444
The IK16 plug are the standard plug for the normal high compression C320.

The C32 is a low static compression motor, with an added blower over the C320. With the blower engaged the effective compression ratio is higher than the C320, but with the blower disengaged, the effective compression ratio is much lower than the C320. Most of the time the C32 blower is not engaged.

The reason to run a colder plug, with extra boost or compression, is to keep the peak temperature of the plug under control, so it does not melt or cause pre-ignition.

The reason, to run a hotter plug is to keep the electrode clean and prevent fouling.

If the plug is too hot, then the timming could get pulled back (retarded), under max boost. Also, it is possible to melt away the electrode or crack the insulator.

I guess most people putting in the IK16 plug, are not tracking (racing) the car for long periods of time and spend most of the time, not in boost.
That seems like an intelligent assertion, and would explain why I have not noticed any probs. I suppose that if I ever decided to race the car (other than in the 1/4 mile), I might need to switch to a cooler plug.
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Old May 11, 2006 | 02:42 PM
  #49  
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C55AMG W203; 330i E90
Seriously need advice as what spark plug model to upgrade spark plugs for
C55. Actual user experience needed. thanks
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Old May 12, 2006 | 01:34 AM
  #50  
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Originally Posted by m444
..... Most of the time the C32 blower is not engaged....
I thought I read somewhere that the blower is always engaged after 1500 rpm
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