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C350 ECU tune and the result is disappointing

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Old 09-03-2012, 05:28 PM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Originally Posted by Sportstick
Which brings us full circle to who cares what the numbers are? If it feels better enough to justify the price, this was a successful operation. If it doesn't feel better enough to justify the price, even great test results are meaningless. One of the lessons I used to teach my younger Marketing staff is that people don't buy features...they buy benefits.
Oh yeah! Features, Actions, Benefits. I was like a stuck record with my marketing staff
Old 09-04-2012, 06:53 AM
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2009 c350 arctic White pano. MM HK
For me the numbers is not thet important but i want know whay eurocharged giving nombers thay cant do it ????
Thay should say the real thing its improve the driving pleasure with litel increase in the HP and TQ
Old 09-04-2012, 08:48 AM
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Have any of you asked Eurocharged to chime in to explain this?
Old 09-04-2012, 11:27 AM
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2009 c350 arctic White pano. MM HK
I send to jerry asking him to see the chart and what is his opinion ?? And whay i didn't gain any HP he told me that I gain TQ and the drive is smother and I will have the TQ and HP in low RPMs and didn't answer me abut the Power thay are climing in the site
Old 09-04-2012, 12:15 PM
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Doesn't the C350 have higher starting stats than I'm reading on the dyno results? I see an improvement that I would be happy with for $750 and only an ECU tune. Just sayin.
Old 09-04-2012, 12:45 PM
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Originally Posted by until the end
I send to jerry asking him to see the chart and what is his opinion ?? And whay i didn't gain any HP he told me that I gain TQ and the drive is smother and I will have the TQ and HP in low RPMs and didn't answer me abut the Power thay are climing in the site
If he was refering to the mustang-dyno chart, he was either incompetent, or a liar.

Sportstick numbers do matter, they tell if the product provides the advertised gains that you based your purchase on. And in this case, they told alot more than that. But you must understand what they are talking about.

From what I have seen, the advertised gains are only about 5-6%, and not much for the $ spent. Also, it seems like most of the vendors use the same source for the "flashed" upgrade.

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Old 09-04-2012, 02:04 PM
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2009 c350 arctic White pano. MM HK
Originally Posted by kevink2
If he was refering to the mustang-dyno chart, he was either incompetent, or a liar.

Sportstick numbers do matter, they tell if the product provides the advertised gains that you based your purchase on. And in this case, they told alot more than that. But you must understand what they are talking about.

From what I have seen, the advertised gains are only about 5-6%, and not much for the $ spent. Also, it seems like most of the vendors use the same source for the "flashed" upgrade.

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Old 09-04-2012, 04:51 PM
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I got my 2010 C350 tuned by OE Tuning. I'm loving it so far.
Old 09-04-2012, 07:38 PM
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Originally Posted by chewychiu
I got my 2010 C350 tuned by OE Tuning. I'm loving it so far.
OEM -> Tune
268 --> 284 hp -- +6%
258 --> 273 tq -- +6%

You know there is a couple percent change in back to back dyno runs, and a couple percent in engine to engine, off the ***'y line.

Any dyno's, and what mods do you have? Did the tuner ask this before he flashed the ecu ?

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Old 09-04-2012, 09:02 PM
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Originally Posted by chewychiu
I got my 2010 C350 tuned by OE Tuning. I'm loving it so far.
tall us what is the difference just want compeer
it fells better but on the dyno there is different story
Old 09-05-2012, 12:08 PM
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If any one did the dyno test PLS let us know the result
Old 09-05-2012, 06:41 PM
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Those are decent gains for being N/A with a 3.5L engine. Gotta pay to play. Build it and boost it.
Old 09-06-2012, 02:22 PM
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2009 c350 arctic White pano. MM HK
Originally Posted by mvp2765
Those are decent gains for being N/A with a 3.5L engine. Gotta pay to play. Build it and boost it.
Ok i know the NA will gain 5-6% but if you can see the chart it gains 3HP and the site of eurocharge say it will increas 22-25 HP
Old 09-06-2012, 04:32 PM
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Here's a screenshot of before and after pulls on the dyno.

Old 09-06-2012, 05:29 PM
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2009 c350 arctic White pano. MM HK
I think my chart is smother but i have the same result the diffrince 1-2 hp what you have other than the ECU remap ????
Old 09-06-2012, 09:49 PM
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I like the chart, especially if no others mods were made and if it's auto tranny. The torque improvements and relatively linear increase in power between 2700-5000 rpm should make the ride much more fun than before tune.
Old 09-06-2012, 09:50 PM
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Originally Posted by until the end
I think my chart is smother but i have the same result the diffrince 1-2 hp what you have other than the ECU remap ????

Nothing in performance wise. Just have x-pipe with quad tips setup. You?
Old 09-06-2012, 09:53 PM
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Originally Posted by until the end
I think my chart is smother but i have the same result the diffrince 1-2 hp what you have other than the ECU remap ????
Originally Posted by BaDao
I like the chart, especially if no others mods were made and if it's auto tranny. The torque improvements and relatively linear increase in power between 2700-5000 rpm should make the ride much more fun than before tune.


You guys want to teach me how to read this thing?? Hahaha!
All Jeremy told me was I got about a 15hp gain.
Old 09-06-2012, 10:06 PM
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My bad chewy. I was referring to original poster's. Your chart has too runs. A little difficult to read off my mobile phone. Heh..
Old 09-07-2012, 12:47 AM
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so how much whp and wtq is it with the tune?

how much more if you add eisenmann exhaust?
Old 09-07-2012, 04:10 AM
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2009 c350 arctic White pano. MM HK
Originally Posted by chewychiu
Nothing in performance wise. Just have x-pipe with quad tips setup. You?
I have K&N air filter and the remap .
Old 09-07-2012, 01:18 PM
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Originally Posted by BaDao
I like the chart .... The torque improvements and relatively linear increase in power between 2700-5000 rpm should make the ride much more fun than before tune.
Where do you see the torque improvement?

Originally Posted by Until The End
Ok i know the NA will gain 5-6% but if you can see the chart it gains 3HP and the site of eurocharge say it will increas 22-25 HP.
For the 3rd time, YOU CAN'T RELY ON THAT BUGGERED UP PAIR OF CURVES !!!! You can't say you gained 3 hp.

Originally Posted by chewychiu
You guys want to teach me how to read this thing?? Hahaha! All Jeremy told me was I got about a 15hp gain.
The chart spells it out. There were many test runs that showed the curves are extremely consistant ... a good thing.

Before Max HP --- 208.5
After Max Hp ----- 223.8

gain = 15.3 hp, just like the man said.

What was the tuner, Eurocharged ?

.
Old 09-07-2012, 02:55 PM
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It was OE Tuning
I also bought from them a handheld which I can switch back to stock to race gas to valet or back to 93 oct tune



The chart spells it out. There were many test runs that showed the curves are extremely consistant ... a good thing.

Before Max HP --- 208.5
After Max Hp ----- 223.8

gain = 15.3 hp, just like the man said.

What was the tuner, Eurocharged ?

.[/QUOTE]
Old 09-07-2012, 03:03 PM
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2009 c350 arctic White pano. MM HK
My max is 229.9 hp it means i gain 20 hp is that corract ?????
I contact jerry hear is his email
At 3800 RPM you went from 181whp to 220whp. *That's a gain of 39whp. *At 3800 RPM you also went from 204wtrq to 276wtrq. *That's a gain of 72wtrq.
Old 09-07-2012, 07:40 PM
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Originally Posted by until the end
My max is 229.9 hp it means i gain 20 hp is that corract ?????
I contact jerry hear is his email
At 3800 RPM you went from 181whp to 220whp. *That's a gain of 39whp. *At 3800 RPM you also went from 204wtrq to 276wtrq. *That's a gain of 72wtrq.
Those increases in power and torque are IMPOSSIBLE with just a flash-tune. That means as least one of your 2 power curves is WAY OFF.

Look at that toque gain at 3800 rpm. The ratio is 276/204 = 1.35, for a 35% gain in torque with just a tune. Jerry would have you believe that at 3800 rpm, you have the performance of a 1.35 x 3.5 = 4.7L engine.

Jerry has no idea what he is talking about. He's trying to make sense out of nonsense.

My guess would be that both curves are incorrect, in that the tuned curve predicts 227 hp at the engine (WCF), vs 268 hp stock. This means it's possible you got the 6% increase (that you said you felt) , but no dyno data to show it.

.

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