!!! incoming bad english ;) :

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update from 1.1 to 1.11
better screen resolution support
now you can record 40 seconds
you have maximal 60 seconds for a test

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speedtests:

0 - 100 km/h
0 - 200 km/h
1/4 Meile
1/2 Meile
1 Meile

outputs:
current time of race / taken time of race
distance in meters
current speed
max speed of the test
g-force *
engine - rounds per minute
acceleration curve ( current - white )
acceleration curve ( last one - gray )
chart of last runs: seconds, distance, v-max, g-force, speedtes, car
best time + car of the chart
( if the current run is bether it won't be taken ofer at same time, so you can check the difference )

now there is a folder with 5 txt files, in this files every race will be saved.
you can copy all and paste it to your excel program to sort it by your choise.

*g-force:
its not possible for me to calculate the KW/PS but i'm able to calculate the g-force
off the acceleration. So you can compare the strange of the vehicles.

on the screenshots you can see a minus g-force, if have an accident and fly out of the car
the g-force calculation stops :).

keys:
U: show / prepare for race / cancel
Z: choose the race type / stops the car too


if you want to change the top speed of cars in handling-files to a special value... look at:
http://www.gtainside.com/gta5/other/79539-geschwindigkeits-balupausen-handlingoptionen-mit-deutscher-beschreibung/
there you find an excel-chart with the right values for the top speed of your choise.
to get other acceleration, play with the values that i pointed.

the speed data you see in my screenshots are not from the original game settings ;)


//-----Installation-----\\

you need:

http://www.dev-c.com/gtav/scripthookv/

and

https://github.com/crosire/scripthookvdotnet/releases

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put the speedtest.dll and the speedtests-folder in the scripts folder where gta is installed.
( the mod will not run if the speedtests-folder is not in your Grand Theft Auto V\scripts folder )

if ther are some problems reload the scripts by pressing insert in game ;)