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2 lines in player.json:
"Fixed AI Setups":false,
"Fixed AI Setups#":"whether AI use the fixed setups, only applicable if \"Fixed Setups\" is also enabled (and can be used in single player to have the AIs use your favorite setup)",
"Fixed Setups":false,
"Fixed Setups#":"use fixed setups specified in UserData\\<plr>\\FavoriteAndFixedSetups.gal (based on track and vehicle class)",
*** I removed the 3rd line, immaterial unless you want to setup server.
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So in my example I have selected a different engine and wheel rim.
Click Force setup the AI will use that engine and wheels.
To make sure they use your garage setup you need to start the combo with the setup you want, then close the session, your setup and upgrades will be added to "favourite"
Now make a session and the AI should use both.
Problem is you can't modify certain behavior of the AI without editing the vehicle.
Like in this car the F3 Eve the AI literally valve bounce every gear, I mean has no one heard of short shifting to save the car ? I run 100% damage always and you can blow these up.
This is not too bad till they change to 4th where they take forever to get to 5th which can affect cars by backing them into each other and you arrive already in 5th gear.
Because they low power car on even the slightest incline they will not upshift, probably the most off putting thing in rF2 for me.
Silly thing is they pull decent from 8,000rpm, if the AI shifted at say 9,000rpm they would gain lap time. I know that because I can do fastest lap time possible
by using no more then 9,000rpm.
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Really funny cause I remember thread 11 years ago explaining this and saying.
"I really don't care too much about AI setup until they have updated the cars "
How romantic ! I thought ISI would upgrade the cars and fix his glaring bug.
Silly me.
Okay now I must mention old fact discovered by me as far as I know because when I told Tim Wheatley he was surprised.....
You can use the server to run offline sessions which brings some benefit.
One thing I don't like about offline is having the sim pause when multi tasking.
Like if you were making rubber for new track in window mode or say test watching new mod, you cant watch a movie or anything else at same time.
If you run a server offline it doesn't pause.