W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Dyno Results...opinions?

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Old Oct 28, 2006 | 07:28 PM
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Archi's Avatar
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'06 E55
Dyno Results...opinions?

I had the car dyno'd today for the first time.

Dyno Dynamics Dynamometer

Max HP: 323.1
Max Torque: 403
Air/Fuel: 9.4/1

Car is running really rich. Im not sure how much difference getting that corrected, but it will definetly help. Also, does anyone know the correction factors for this type of dyno. I will try and scan the printouts Monday. And yes, the car was in dyno mode.

Anyone in Houston want to get dyno'd for comparison?

Last edited by Archi; Oct 28, 2006 at 07:30 PM.
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Old Oct 28, 2006 | 07:47 PM
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From: San Francisco
AMG's
Originally Posted by Archi
I had the car dyno'd today for the first time.

Dyno Dynamics Dynamometer

Max HP: 323.1
Max Torque: 403
Air/Fuel: 9.4/1

Car is running really rich. Im not sure how much difference getting that corrected, but it will definetly help. Also, does anyone know the correction factors for this type of dyno. I will try and scan the printouts Monday. And yes, the car was in dyno mode.

Anyone in Houston want to get dyno'd for comparison?


Was this for your '02 Esprit?
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Old Oct 28, 2006 | 08:09 PM
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'03 E55, Range Rover Sport Supercharged, Ducati 748R
let me guess...post flash '03/'04 e55???
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Old Oct 28, 2006 | 08:10 PM
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Archi's Avatar
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From: Houston
'06 E55
2006 E55 17xxx miles.

about 75 degrees 50% humidity

and these numbers are at the wheels.
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Old Oct 28, 2006 | 08:17 PM
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'03 E55, Range Rover Sport Supercharged, Ducati 748R
even though a dyno dynamics will read lower than a dynojet, you should still be making at least 380-390hp.

i'd have the i/c pump checked to start with.
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Old Oct 28, 2006 | 09:15 PM
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thats LOW! get your ic pump replaced. Mine was 370 at the rear wheels and thought that is low.
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Old Oct 28, 2006 | 09:50 PM
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Originally Posted by Archi
I had the car dyno'd today for the first time.

Dyno Dynamics Dynamometer

Max HP: 323.1
Max Torque: 403
Air/Fuel: 9.4/1
Very low... something is wrong.
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Old Oct 28, 2006 | 09:57 PM
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Indeed. I've seen many E55's dyno at 420whp, so you are 100whp off! Posts like these (and there are A LOT of them) make me not want to buy an E55.. the inconsistency is just killing me

Last edited by Tuskir; Oct 28, 2006 at 10:00 PM.
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Old Oct 28, 2006 | 11:03 PM
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CL65
Post the graph. Was your car in 4th gear and in dyno mode?
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Old Oct 29, 2006 | 01:22 AM
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Originally Posted by Tuskir
Indeed. I've seen many E55's dyno at 420whp, so you are 100whp off! Posts like these (and there are A LOT of them) make me not want to buy an E55.. the inconsistency is just killing me
It's not inconsistency. If you've been around long enough, you'll know this is a classic symptom of faulty inntercooler pump. Something is wrong with this particular car, it's not production variation/inconsistency.
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Old Oct 30, 2006 | 06:57 PM
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Showed my dealer the dyno results. They are going to replace the IC pump, supercharger clutch and fuel pump. I even get a free dyno out of the deal. Everyone seems to complain about the 'stealerships', but I have nothing but good things to say about mine. Great customer service.

Ill get the car re-dynoed this coming Sat.
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Old Oct 30, 2006 | 07:40 PM
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Originally Posted by medici78
It's not inconsistency. If you've been around long enough, you'll know this is a classic symptom of faulty inntercooler pump. Something is wrong with this particular car, it's not production variation/inconsistency.
I agree. If anything, these cars are remarkably consistent (when running right )
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Old Oct 31, 2006 | 11:30 AM
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From: Friendswood, TX
'08 CLS63
Originally Posted by Archi
Showed my dealer the dyno results. They are going to replace the IC pump, supercharger clutch and fuel pump. I even get a free dyno out of the deal. Everyone seems to complain about the 'stealerships', but I have nothing but good things to say about mine. Great customer service.

Ill get the car re-dynoed this coming Sat.
which dealership are you going to? imho sugarland is the best. when you get your car fixed take it to the real dyno...the dragstrip! whenever you want to go, let me know! i've made a couple of post in the past...doesn't seem too many people in the area are interested in going...hrp is a great track at sea level...you'll get some good times.

best of luck!

john
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Old Nov 2, 2006 | 07:35 PM
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Hey Archi,

Would be really interested in seeing your results, as I have a similiar situation here with my E55.

Thanks,
Scar
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Old Nov 3, 2006 | 11:06 AM
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From: Houston
'06 E55
Originally Posted by housclass
which dealership are you going to?
Star is my dealer of choice, but I also purchase all my cars from them.

Originally Posted by housclass
when you get your car fixed take it to the real dyno...the dragstrip! whenever you want to go, let me know
Have not been to the strip in this car, Ill shoot you a PM when I have everytihng sorted out.
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Old Nov 3, 2006 | 11:07 AM
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'06 E55
Originally Posted by Scarafin
Hey Archi,

Would be really interested in seeing your results, as I have a similiar situation here with my E55.

Thanks,
Scar
Ill post the before and after dyno sheets. The car is still at the dealership so Im not sure if I will get it back for this weekend yet.
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