Hi,
Yes, Finnish air was in our side yesterday
, we had some +15 degC temperature while having the RR runs.
What comes to blow the engine up Suba has it right, there are plenty of different things which can cause engine blow up in much lower power level. I think, for example from two of us, I'm closer to blow my engine up becasue of higher boost and higher torque ratings in use. Also my friend is using all together 4 extra injectors depending on the boost, yesterday two of them were in use.
I spoke with the tuner and he confirmed that while making RR run, there is no load in rollers and that might affect to the Apexi settings. He told also that he will get a new updated program to his RR, which allows him to use also load during the session. This load possibility is already in use, when he just adjust for example Motec etc. systems, but can't be used when measuring the power.
One notification of the fixed intake cams (variator off) vs. last RR session with 408 bhp. (Old) = variator on and (new) = variator off
The power in 3500 rpm: 70 kW (old) and 95 kW (new)
in 4000 rpm: 100 kW (old) and 123 kW (new)
in 4500 rpm: 140 kW (old) and 185 kW (new)
in 5000 rpm: 220 kW (old) and 258 kW (new)
This shows quite clearly the difference between intake cam variator in use or intake cams fixed. Intake cam retarded 18 deg between 3000 - 4800 rpm.
Next step is to get steady working engine with forged internals and goal is 450 bhp. With the turbo GT3071R it is not an issue, because my friend had that 445 bhp with raising power curve, it didn't turn down in any point.
But because of the bleed valve his curve is some 500 rpm later than mine.
- Jari -