Hugo,

the european tests were done in what I would consider utopian conditions - temps just above freezing (5-10C). The testing that really taxes these engines is in higher temps (35-40C) like we have here in Texas. The Texas Mile is the only venue I know of where the cars have been tested on the same track and in the same temps. The Ruf cars had the advantage of no headwind which after 130mph added 50+ hp of drag to our last event and most cars were down 7-11mph.

The RTurbo that was tested here was Alois' personal car. The Ruf cars are fantastic no doubt, but they are consistently slower than the 700 kit 997 cars. I have run against the Ruf cars on high speed road courses many times and they are at a power disadvantage.

None of this of course addresses the problem posted by RS/TT. His issue is cooling with limited intercooler capacity - something specific to his car's bodywork.

 

the highest air temp in intake system is [FONT='Arial','sans-serif']5[FONT='Arial','sans-serif']5 deree!!!![/FONT][/FONT]
[FONT='Arial','sans-serif'][FONT='Arial','sans-serif']As I wrote this is back pressure problem.[/FONT][/FONT]

 

My car with standard turbines, ecu program and exhaust and water cooled interccolers run 326km/h at 7000rpm with out any problem, I have a lot of pictures of speedometer. The speed was on speedometer so what is the mistake? 20km/h?
So what is so special with the evo and awe and 190mph which is 307,8km/h?

 

now one response to my questions?

where from 700HP with vtg turbines?????

BTW

we have today here 36 degree, I drove many times 326 km/h at this temperature without any problem, my front wind screen was warm when I touched

 

5 degrees C or 55 degrees C for your IAT? Was this measured on a dyno or rolling on the road at WOT? If it reads 5C then your sensors is broken. If 55C then it is probably working but Motronics typically retards timing and boost after 50C

 

That is in a 1 mile standing start run, not a top speed run.

 

nothing to do with the intake temperature, I'm reading the intake temperature on line and also the water temperature.

This is a problem of 997 Gt2 with air interccolers, we already checked this.

 

K can you post a dyno with AFR? That would help sort things out. There are a multitude of things which will sap power (reduction of boost and timing)

1)EGT >980
2)IAT >50 C
3)knock sensor count

if you are getting enough cooling of the charge air then both 1, 2, and 3 will go up
if you are running too lean 1 and 3 will go up
if you are running insufficient octane 1 and 3 will go up

 

max air intake temp was 55 C at dyno, on the road is lower.

I thougt that monotronics start to reduce the boost at point of 60 C.

 

i will check it when I will solve the problem.

 

I found that techart offer now 700Ps kit and I heard not from techart that it's real 700Ps kit.
They use same turbines I have and the same carbon pipes before turbines and they use new exhaust cams.

I think I will have 4 new cams in a very short future.

 

any tuner is able to reply my questions?
and how you can reach 700hp with your 700kits based on vtg turbines?????

 

I would suggest contacting AWE, EVOMS, and Protomotive directly. In a sense you are asking them (for free) to troubleshoot why your car is not performing up to expectations, when your own tuner (you paid) should be doing that for you.

 

hmmm
the problem is that there is no way to reach this level of power using vtg!!!!!!!!!!!!!
but probably no one noticed that in US.

I haven't got any tuner I made all by my self and I haven't got any problem I paid.
The guy responsible for my electronic is not a tuner, hi is responsible for porsche motorsport electronic department.
I also now that standard 997 gt2 is running with 980c egt all the time during hard acceleration and intake temp is nearly 70c, the out side temp is 32C.

the problem is that the standard engine can't produce with this turbines more than 600 european PS, because there is to high back pressure!
you can ask rs-tuning, you can ask sportec. Why sportec use kkk 24/26 with 4 new cams on 997 tt to reach 680ps?I can also inform you that the egt in this car is 900c max.

 

Eclou
check out the AM&Sport Nardo test last year and the outside temps(utopic?) the Rt12 that won it was an old and tired demonstrator with 70k km that was driven to Nardo filled at a Shell near the track, ran 362 km/h (by a mag guy that did not get the best out of it) and then driven back home,i have had that car for a month prior to recieving my Rt12 - it's a 650 ps.

The point i am trying to make being that it's all very fine to claim numbers but at the end you only get what you pay for - bolt on KIT which can not be compared to a complete motor build titanium roded real motor dynoed European spec(710-720 ps) super reliable mfr guaranteed car,see Rami's Leon's and mine as opposed to what they show in the states

As for the topic here,i see the thread starter here has reached the conclusion nearly every European tuner has reached quite a while ago