how much boost?

 

i'm talking 1/2 mile event record Shift Sector style i've hit 169 ,does V-box do the 60 to 130 ? i'll have to check it out next time

 

Standstill or rolling speed?

 

Standstill which is how shift sector is set up I believe isn't it ?

 

That's the current version: 100-300 km/ measured by hand using sport chrono from about 96 km/h to 310 km/h, so it is safe to say that the measured value is at least 100-300 km/h: 17.5 seconds

Gear 4-5-6. There is some time to gain, because in 4th there is some turbo lag. Going thru 100 km/h is not at full boost. I guess 1/2 a second is in there. The bigger compressor wheels do not come for free.

Sorry, no "official" time measurement because he has no performance box or alike. This will be done sooner or later.

That's it for this car. It was a nice project that shows the VTGs can be quick and can pull strong on the top end as well.

 

It's getting a little colder here and at 9 degrees C we have some more oxygen to burn more fuel: down to 16.5 for 100-300 in gear 4-5-6. We need to get that "official" measurement now. I think I will send him my performance box.

With the correct tires, tire pressure and a committed driver it should be possible to do a sub 20 seconds 0-300 run if the stars all align. The transmission is not built yet, so we will not find out soon

 

Those times are almost incredible with VTGs, congrats.

I remember Yorgos was running the 100-300 about 16-17' as well with his Sportec 740hp/950Nm 7800rpm VTG engine, the hot sides were machined to 49mm.
His 100-200 was low 5' if I'm right.
I remember he didn't saved his intelligence/money/time to achieve thoses times.

 

Thank you.

we have looked into this, but did not find a solution. These VTGs are GT2 housing (doesn't make a big difference in my opinion) and 48,5 mm intake on the compressor side.

Opening the hot side would be a big step forward. I would guess that this car here would then really start to fly. Backpressure is the problematic thing with these VTGs. It is holding me back big time.

 

Rob's (Robtuned) car holds the record, and as the previous owner of that car, I can tell you without a doubt that it is stock motor and the smallest of the upgraded VTG's - the Proto 63.5's.

 

That's because going larger compressors is pointless and detrimental when you are governed by VGT hotsides.

Rick

 

What happened to that guy did he get banned form 6speed all his posts are now gone ?

 

No, he moved to Dubai to become a tuner for some insanely wealthy guys over there. Since he wasn't local to provide good support, he mostly stopped tuning Porsches over here, and let his sponsorship on the forum go. Apparently the forum cares only about the almighty dollar, and nothing about Porsches. They canned all his posts and apparently still email him saying they'll reinstate if he will pay up again. Pretty lame, to be honest.

 

This is a run with brake boost...stock vtg apr race file europipe ep2 exhaust and euro 98 ron fuel

 

can you upload the vbox files to http://vboxtools.com/ then link.

 

File is verified 6 years ago and is listed at official 6speed timetable.