C63 AMG

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I'm getting a little old for hot rods so this will probably be my last. The thing is a monster in little car clothes. It is one of the most responsive and powerful engines I've encountered.
451 hp seems rather detuned for the engine however. I don't want to spend a fortune of else I would have gotten a SL65. Is there a processor only upgrade available? I seem to remember reading of one for about 2900.00 but that seems a little steep, as in wife would then want a new house. I see no reason the engine couldn't put out a detuned 550 hp with just a computer upgrade?
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As you can't be bothered to tell anyone where you are I can only suggest you contact your local dealer/
DAS
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On 6/16/2011 12:51 PM, DAS wrote:

USA. I didn't think about anyone from England etc answering. I doubt the Dealer has anything. Didn't even think about asking them though. I definitely would like to keep the warranty effective though.
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Typical American provincialism... :-)
2900 what? Yuan...?...
Why should a usenet group, especially one in English, be used by people of only one country?
This group is a pale shadow of itself, and use to have many more people from many more countries participating, but even so we are not all from one place.
Call Mecedes-Benz USA.
http://www.mbusa.com/mercedes/index
Sheesh. (To quote an Americanism...)
DAS
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On 6/17/2011 6:32 AM, DAS wrote:

Doesn't have anything to do with anything. Nt looked at the group before, I think< and generally most groups are pretty much all North America or seem to be seen here. I'm not on the computer that much, so I don't see where all the posts come from.
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QED. (American provincialism - the previous more lively activity is not so relevant as the fact that you assume everything is American.)
DAS
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On 6/19/2011 2:02 PM, DAS wrote:

Don't see that much from other Countries, except occasionally from Canada, Australia, Netherlands and England , on other groups. I don't spend too much time on the net though to see where everyone is from. Don't take offense.
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I am not at all offended, just amused that you assume that everyone knows what you are talking about and from the US etc (thus reinforcing a stereotype).
:-)) DAS
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On 6/20/2011 6:37 AM, DAS wrote:

Wife never looks at these groups except this evening. She demanded I change what I said. You can have too many women. She is the only oen that would ever put up with me.
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Il Sun, 19 Jun 2011 22:24:25 -0400, LilAbner ha scritto:

Italy... ;-)
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Stefano
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On 6/20/2011 8:41 AM, Cordy wrote:

They still have an Italian unrestricted roads there?
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When you see how they drive in Italy and how the police appreciate Ferraris, you'd think the motorways were unrestricted...
Isn't that right, Cordy?
DAS
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No - restricted to 130 km/h, athough not respected by everyone.
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Yes, de jure. Ever driven around Milan, for example?
DAS
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Actually yes - in the rush hour at 10 km/h top speed :o)
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Bad luck...
DAS
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AMG says 457 hp. Anyway this does not sound detuned for at naturally aspirated 6,2L engine - this would also be against AMG ideas.
You may gain a little hp by chip tuning - but always at some other cost (chip tuning companies just don't tell which). I would trust the AMG way.
... and I would be happy with what you've got.
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On 6/17/2011 3:17 AM, Jens wrote:

What about Reintech? Pricey but up to 600+ hp.
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By the way.... a reply from Denmark (which is not in US to my recollection) :o)
I suppose you mean Renntech?
They do: - chiptuning + 66 hp - carbon fiber airbox + 12 hp - stainless steel headers + 16 hp - performance sound pipe + 10 hp
A totally 555 hp compared to standard 451 hp - which is +15% by chip tuning ("without sacrifice") and +7% by air flow optimization in inlet/ exhaust.
So yes, you can do something by chip tuning. But is it really without sacrifice?
Sacrifices will for sure be fuel economy and pollution. So when you say "undertuned", it is also depending what you want.
And you can be certain, AMG know what they are doing.
I fact the 6,3L engine (which is in fact only 6,208L) is made in a number of different versions, where the 525 hp version is used for most applications and the most powerfull being 571 hp for the SLS "Gullwing", demonstrating the potential of the engine.
They also go for higher power outputs, but then they use the 5,5L engine with compressor or turbos.
Optimum combustion ("stoichiometric") occurs at a certain fuel/air ratio. Your engine has a compression ratio of 11.3, which is rather high. In order to avoid destructive knocking, the ECU will retard the ignition timing at full throttle, causing less than optimum engine performance. Knocking can also be reduced by enrichening the mixture, so ignition doesn't need to be retarded so much, causing better performance in terms of power but less performance in terms of combustion effficiency.
This is what chip tuning is about. And this is where sacrifices come in too, including risking the reliability.
If you solely want more hp, you can use the Renntech ECU or similar. Or you can be happy with your perfectly engineered monster machine as it is :o)
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On 6/17/2011 2:13 PM, Jens wrote:

I haven't examined all the tuning differences but wondered if part of the detuned state is marketing. They wouldn't want to undercut the E, S, or SL series by offering the same output as the more expensive cars. I would have bought an e but none could be found. The 5.5 with twin turbos might be a little over stressed. Will have to wait and see. I won't be trying to explore the limits of the 6.3 but would like to have the best tune etc. A computer upgrade is about all I would want to do. The exhaust and intakes etc are nicely engineered for the package. 10 or 20 hp isn't that much. A hundred, well that's different. I would like to see the 550 to 570 range and no limiter. Of course that would mean new Y tires. They should have put them on originally. I wish I had stumbled across the 2 year old SL65 with 8,000 miles before I found this one. Almost the same price. I;m pleased with this car though.
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