If it's only for your car, then it's like Juliano says. If you want it for all AI cars, then you need to tweak the pitstop strategy for the cars/teams and maybe the fuel consumption in the Magic Data of all tracks. The problem with that: I don't think you can avoid cars being re-fueled when pitting, only with a 0 pit stop strategy. Try putting the fuel consumption very low so maybe the pitcrew will not refuel, but I doubt.
I think since 2014 no re-fuelling is allowed in the real F1. GP4Tweaker has implemented the 2003 rules, it would be nice to also implement this one, but it's very hard I think.
XenonS
Edited 3 time(s). Last edit at 10/03/2016 06:51PM by XenonS.