*** VR550 for M113 55 Kompressor ***
You don't have long to wait. VRP is going full bore on all their projects and the E55 is one that they are almost done with. There was an interesting thread we had a few weeks back regarding tuners and I argued for PC in that, because I had met them and seen what they were about. They are focussed on MBs, that is all I can say. There is no other way to say it. They could easily have done a minor tune to mine and called it a day, but VRP wanted more. In my case, I get a custom tune. For those that have a similar setup, it is as close to a custom tune as you will be able to get. Like you say, the OPENness and desire to do it right is GREAT!
We are always open to suggestions and comments from the community and we value the support that we get from everyone.
Where are you? If close to Power Chip, they do the money back guarantee AND are honest enough to acknowledge the glitch. Most tuners will tell you to get an IC kit or that the belt is slipping. If you are far, hang back. I am sure this tune will be tsted on all later model 55ks by VRP.
So get busy over there guys

I had a local Kleemann dealer (Funktion Auto) call Kleemann and they claimed that they were aware of the issue but that the latest flash wasn't a problem for them. I'm not exactly sure what that means, but I'm just going to wait until I hear the final results of the VRP/Powerchip tuning. No matter what, I'll get before and after dynos on the same dyno with A/F and hopefully boost plotted.
Last edited by joshd; Jan 11, 2008 at 11:14 AM.
The Best of Mercedes & AMG
Where are you? If close to Power Chip, they do the money back guarantee AND are honest enough to acknowledge the glitch. Most tuners will tell you to get an IC kit or that the belt is slipping. If you are far, hang back. I am sure this tune will be tsted on all later model 55ks by VRP.
So get busy over there guys

I had a local Kleemann dealer (Funktion Auto) call Kleemann and they claimed that they were aware of the issue but that the latest flash wasn't a problem for them. I'm not exactly sure what that means, but I'm just going to wait until I hear the final results of the VRP/Powerchip tuning. No matter what, I'll get before and after dynos on the same dyno with A/F and hopefully boost plotted.
Kleeman is indeed aware of the issue. I'm glad it isn't an issue with them. It must just be a Powerchip thing? LOL, tuners are so funny. Call Kleeman and let them know that the days of just saying it is all good are DONE. SHOW ME THE MONEY!!!!
By the way, Dyno alone won't do it. VRP is using tons of datalog data as well. You won't have long to wait. I am leaving my car all of next week, so they will get lots of time to dial it in.
Once mine is up and running, lets set up a real life race involving the various tuners. I will rep for VRP. Anyone with a pulley and ECU tune hop in and lets see which one is the "best". VRP has nothing to hide. The only challenge I am curious about will be the VRP pulley + EVOtech tune. All others are lost in the dust (IMO).
By the way, Dyno alone won't do it. VRP is using tons of datalog data as well. You won't have long to wait. I am leaving my car all of next week, so they will get lots of time to dial it in.
Once mine is up and running, lets set up a real life race involving the various tuners. I will rep for VRP. Anyone with a pulley and ECU tune hop in and lets see which one is the "best". VRP has nothing to hide. The only challenge I am curious about will be the VRP pulley + EVOtech tune. All others are lost in the dust (IMO).
On a serious note, I think the E55 guys are gonna be pretty happy with the outcome of this even if you don't get a VRP/PC tune. It will FORCE the other tuners to step up and add substance to their tunes.
Now, Powerchip and VRP are starting fresh and doing it right. Vadim has more dat than a solid clinical trial. dataloggers, dynos, etc. he has also identifed exactly the areas that need improvement (which i agree with). PC has been able to change those parameters, but just hasn't been able to get it to Vadim's standards.
Does anybody have a 2006 E55 with a RennTech, EvoTech, or Kleemann tune with a before and after dyno?
Jangy do you have any proof that all the other tuners have sub par tunes?
Especially for 06 models? (what do you base your finds on?)
Contrast that to the larger pulley approach: Everybody with some physics background remembers that increased delta-p decreases efficiency in an asymptotic function, i.e. in the real world you get ever higher discharge temps, need more parasitic power to achieve ever smaller gains in delta-p to the point where there is no gain anymore, no mater how many miles diameter the pullet is. The challenge than for any serious tuner is to take the SC apart and blueprint that thing to the limits – I am convinced that is where the real power is!
GM will pull 620 HP from an engine design far inferior to the AMG (2 valves vs. 3 valves, 1 sparkplug vs. 2 sparks, overhead vs. in block cams etc) the LS9 is a glorified truck engine (just look at all the GM trucks and vans that use that identical basic engine!) massaged by the immensely capable GM marketing machine – with a better SC!
I have no clue what they are selling now and for how much. You got details? I was always under the impression that what had been sold to date was a pulley by VRP and an ECU tune from PC, but not a package that had been made together. I know that the work being done on my car is to cater to the people that want pulley and ecu. I will be getting more mods, so the tune will have to be re-done. I am not in on the business side, but knowing them, I would assume that some option wil be given to their current clients to upgrade to the latest and greatest. I don't think that is how they are with just this case.
There is no set release date that I know of. I just think that they will blend in what they learn from my car into all of the data they are aquiring and have. The tune is just not ready for release, yet. Vadim has some very high expectations and I like that, because they were the exact feelings I had with my butt dyno. A tweak here and a twomp there and I will be off to 80mmTB land and beyond!!
Does anybody have a 2006 E55 with a RennTech, EvoTech, or Kleemann tune with a before and after dyno?
I do not deal with Kleeman and have nothing good or bad to say, other than I remember thinking that they were holding info back when the flash episode occurred.
As far as EVOtech, read Adam's post. Note he said that he would TUNE a car and then wants to race me with my Powerchip tune. Both cars are to have VRP pulleys. If EVOTech had already worked it all out, I would have been called out already. Still, I would say that EVOTech is at least coming around and joining the enthusiast's fray. Between Adam and Oliver, I think they will be fine.







