Evoscan - Definitive Settings

[Beastlee]

Sorry if this is posted somewhere else but I couldn't find a definitive listing of what the defaut settings for Evoscan should be.

Here's what I can add to start with:

Units - Metric (Kw/Nm)

Factory Vehicle Weight : 1588 kg(PFL Legnum Type-S with 1/2 tank fuel and all fresh fluids)
People Contents Weight: 92 kg (1 x Fat Guy at 14 Stone + boot content)
Tyre Diameter: 63.2 cm (PFL 205x55x16)

Gear Ratios:

1st - 3.789
2nd - 2.057
3rd - 1.421
4th - 1.000
5th - 0.731
6th - 0.000 (We can only wish for a 6th gear)
Final - 3.684

Frontal Area of Vehicle : 2.2 sq.m
Wind Tunnel Drag CoEfficient : 0.29 Cd (Galant)
0.31 (Legnum)

Atmospheric Pressure: ? (99.9 kPa is default in Evoscan)
Ambient Temperature: 15 deg. C (Average for current time of year)
Dyno Correction Factor: ? 1 (99.9 kPa is default in Evoscan)

Injector Scaling : ? (513 is default in Evoscan)

Please add any variations for the other trims/gearboxes/bodyshapes and also let me know if you think anything needs to be amended. Is it also worth noting the best set of items to log?

Edit1: CoEfficient Updated - Thanks Brad

[bradc]

The 0.29 figure is for a Galant, and I don't know what kind of Galant it is for. The front bumper can impact on aerodynamics hugely. I think .31 is probably a more accurate figure for a Legnum.

[Beastlee]

Updated first post. Brad I have wider tyres and the CF bonnet, do you think this will effect the Cd much? Oh there's the new FMIC too, not sure if that affects the dynamics.

[bradc]

Wider wheels do affect CD, but if they fill out the arches better (which they do, they are a better offset and bigger OD than stock) they will lower CD. I'd say it would be about the same.

The intercooler shouldn't affect it too much at all, the stock one is fairly restrictive and most aftermarket ones are a bit more open, although bigger.

As for the bonnet, I know that one change from EVO 7 to 8 was to reduce drag with the bonnet vents, and that the GT-A EVO 7 had no vents at all to further decrease drag. I'd say it will increase drag, but you will be getting much better cooling from the vents so it isn't much of a tradeoff.

[eyeballprawn]

Does anyone know if it's possible to log using Evoscan without the dash lights flashing when you are stopped ?

There is a option in one of the pull down menus that does stop the flashing but when that's ticked Evoscan can't connect any more, and just keeps re-trying and failing.

[Nutter_John]

If you have a geniune tactrix cable the lights stop flashing when your in motion

[orionn2o]

Mine does that though John and I paid about 11 quid for my cable

[eyeballprawn]

Yes they do stop while I'm in motion, but how can you make them not flash when you are stationary?

[apeman69]

You can't.
When logging and the car is stopped they will flash.
When logging and in motion they will not flash.
Menu item to disable flashy dash does not work on Galant/Legnum.

[Dom B]

Just a note on the final drive ratio. I haven't managed to find out if this applies to our cars but i understand that a lot of 4wd cars that use a viscous center diff have a different front and rear final drive ratio. This is done to make sure there is always a speed difference across the center diff which makes it react properly.

Any ideas?

[Beastlee]

We don't have a viscous centre diff do we?

[bradc]

We do

[White Lightning]

Good thread ... I have started using Evoscan again and was wondering about these settings so that I could try a power run

[Beastlee]

We do

Cool, but doesn't that mean we have rear wheel drive that shifts the power forward when slipping on the rear?

[bradc]

Not really. We have a 50/50 split normally but under hard acceleration it goes towards 40/60 F/R

[phosty]

We have a 50/50 split normally but under hard acceleration it goes towards 40/60 F/R

Bradc, what's your source for this? I had always assumed we had a similar setup to that which Jeff Lucius describes on Stealth316 i.e. 50/50 normally but then 45/55 when there is differential rotational speeds between the F/R axles.

Guess we'd need to take the transfer box apart to confirm!

[Davezj]

the settings described in the first post, how necessary are they, i was under the impression they did not matter unless you were trying to do BHP runs calc, etc.

they don't effect the logging of sensors stuff do they.

[bradc]

Phosty - I've seen two dyno graphs that confirm the front and rear operate like that, one of them was Gowf's

http://www.clubvr4.com/forum/showthr...ht=power+split

I'm not sure what would happen on the road with an identical tyre rotation rate

[White Lightning]

the settings described in the first post, how necessary are they, i was under the impression they did not matter unless you were trying to do BHP runs calc, etc.

they don't effect the logging of sensors stuff do they.

They are only needed if you want to do power runs.

[phosty]

According to Merlins tuning guide the VR4 injector scaling factor is 410cc/min. However using his XML definition file for ECUFlash, I get 409cc/min from my 20030011 ecu.

But I think only the estimated ECULoad uses injector scaling - does the Power run use the estimated ECULoad too?