Virtual Dyno Room

[EspenW]

if the program doesnt measure rolling resistance then why did my results change once i put in the correct tyre size??

Tire size affects the effective gearing and thus the results

[A80Avant]

ah i see.

[EspenW]

4th gear pull. Testweight was 3550lbs (with driver)
Turbo/injectors/FPR/fuel pump/DV/MBC/software/some silicone hoses/catback is not stock. The rest of the setup is stock ADU. Ethanol fuel. Peak boost is 2.25bar:

[A80Avant]

e85 i assume??

[EspenW]

e85 i assume??

Yes indeed

[EspenW]

Here is another pull with somewhat more torque. Peak boost is 2.25bar and tapers to approx 1.7bar at 7200rpm. When the weather turns cold I will turn up the peak boost to 2.4bar in order to get my 100-200 time into the 6 second bracket (no shift 4th gear pull).
Testweight for this pull was 3505lbs/1590kg (with driver)

[A80Avant]

wonderfull results when the fueling is good!!!

[EspenW]

Here is an interesting one:
My friends' MTM tuned B5 RS4. It is rated at 460hp and 580nm at the crank.

[A80Avant]

what's with the dip?
are you putting all gear/tyres/weight as precise as possible??

are those numbers taken from perfomance box or logs?

[EspenW]

Not sure about the dip on the RS4, could be timing pull on that run, or it could be cams kicking in at higher rpm. It was not as pronounced on the 3rd gear pulls. Timing logs revealed nothing wrong, and in-gear timed runs were pretty much spot on with tests of the same car in the magazine "Sport Auto", so it seemed very healthy.
Numbers are from logs.

[A80Avant]

nice

when i get back home ill try and gather previous logs i have from vems or PB and see what i can find. I have a couple of other RS2 as well in my data base.

[europeanme]

I must be really stupid as I haven't got a clue....

[Billman]

Where is the problem?

[europeanme]

Where is the problem?

i cannot get past the first page??....i am a little dim when it comes to anything techincal...

[A80Avant]

Give us logs, we will do it for you!

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