Maverick1975

That air intake seems to make a pretty decent difference. More than i expected thats for sure. Nice to know. Can you feel that kind of difference? It looks like 16kw improvement at the top end and 8kw across the board at the lower end and at least 16Nm improvement in torque. Do you need the tune adjusted for the new intake?

RNS-11Z

definately notice the difference, especially at night. I was surprised at how much extra it made. I really want to go to the track again but next tnt is on 8 december

Maverick1975

No need to get a tune adjustment though?

RNS-11Z

No we didnt touch the tune at all from last time. Ive had the same file for a few months now.

Maverick1975

Now that you have thoughtfully provided some dyno proof that it actually helps i might get one, thanks mate!

SonnyakaPig

I think it looks more like a 20kw improvement on the top end (26.8 hp based on a online calculator I used, not sure about reliability) and about 12kw or 16 hp throughout the band if you were to average it.

Also, it looks like a 30-40Nm difference from the middle to the top of the powerband -- that's 22-29.5 lbs/ft torque, respectively.

I'm guessing this is rearwheel measurements in the dyno.

Hopefully, you or someone else can confirm if my calculations are correct.

Seems like too large of an improvement from an intake. But if it can be felt from the driver, then that's all that matters. And I'm sure it does feel more powerful at night with cooler air.

RNS-11Z

Sonny totally agree it seems pretty high for just a filter + intake improvement, but to be honest i have no reason to fudge the figures. My dyno figures are also low compared to others i believe, but this intake obviously works. The track will tell i guess

Dads C63

Glad to see the intake works. How far apart were these two dyno's done and what was the difference in the external conditions? Weather and temps?? They do effect the numbers.

The track will help determine the difference also but these cars will learn and improve with time put on the tunes etc... Good luck at the track!!

RStevens63

RNS,

Wow very impressive gains! Are both pulls shown SAE corrected?

Huge gains from an air inlet, very very nice, congrats!!

RNS-11Z

i believe they are. the dynos are 3 months apart aswell. i was shocked with the increase too.

Maverick1975

You are the first person to publish dyno data from this intake and the numbers are actually close i think to what Gruppe M promote for the product. Maybe their dyno chart wasnt a homemade excel graph after all! Nothwistanding the view that track performance is paramount it is good to get some independent verification of performance. Incidedntally, the c63 that won the Motor Magazine Tuner Challenge had a Gruppe M intake and posted sub 12sec 1/4 mile times and 0-100kph in <4secs.

One on the way!

SonnyakaPig

I would not suggest in any way that you fudged the dyno figures or the dyno itself.

I'm sorry if my post came across that way. I am highly suspicious of the dyno result but not you.

Air intakes shouldn't be able to add that much power on NA motors -- not on a dyno at least. Perhaps on a track with real cool weather. I will never believe that an air intake makes the same hp/tq on a dyno that it would on the road or track.

Your dyno results (the powerbands, hp and tq) look different than what is typically seen on modded C63's. The hp line looks very steep and linear (very impressive for racing), almost like it's made from a turbo or centrifugal blower. And the torque curve has a different curve to it than the usual C63.

I believe that dyno is yours. I'm thinking if the rpms were spread out further apart, perhaps the powerbands would look a little more flat and perhaps the torque line would be longer and more flat.

Also, it may be that your particular mod combination created distinct powerbands. It's all good either way. But, for a car that already has headers and tune, the car would have had to have been choking with the OEM intake setup to see this this kind of increase from an intake.

You already had an 11-sec car with headers and tune. If this increase is legit, your times will be solid mid-to-high 11's.

Good luck. And enjoy the intake.

Do you notice a difference in sound from this intake? Did it make the exhaust louder?

If this intake really provides significant gains as just a bolt on, there may be a few more hp/tq still to be untapped from a dyno tune. Just my thoughts.

dodger63

This is the style intake I used at my recent track days.. I think it added something to the equation!! It made my car consistent due to bringing more cool fresh air into the motor.. I don't do dyno's but in real world conditions I think it works!

SonnyakaPig

That's great to hear. Any drivability concerns with this intake?

RNS-11Z

Sonny, its all good i didnt take it offensively at all .
There is no noise difference at alll but this intake gets alot hotter then the stock pipes. I really think i may need that carbon bonnet to cool underbonnet temps

SonnyakaPig

Cool.

The carbon fiber hoods with vents like the one Dads is producing would be a great addition. My only question then would be whether a carbon fiber hood would change the seal around the openings to this intake.

I'm not familiar with how this intake seals with the hood. Maybe there would be no issues with the seal of this intake and a CF hood.

A real plus about the OEM C63 air induction openings is the seal with the hood. The only air coming into the induction openings is from the front of the car, outside of the hot engine bay. At least that's how it's supposed to work in theory.

Does the intake you installed seal itself well from the hot underhood temps?

RNS-11Z

the intake comes with some 3m sticky tape that you put onto the bonnet to help channel the air into the intake. All the air comes in from the grill. By changing the bonnet i honestly dont believe it will affect the path of the air that flows in.

And yep, the air is sealed pretty good, but the carbon pipes get hot really quick.

SonnyakaPig

RNS, good to know, thanks.

superlubricity

H, do you have the corresponding timeslip?

I'd like to get you added to the "list".

https://mbworld.org/forums/c63-amg-w...mile-list.html