Warning to friends who created Monaco_72, finally after many tests, I managed to find the error, in which the cars hit the guardrails, and the chicane after the tunnel. First step: from the Mod F1 1971, I created the 1972 F1 mod for testing, it is practically the same cars, in a few days I intend to make the skins of Marlboro-BRM, Yardley-McLaren and some other modifications that I can get. Second: testing like this, they continued to beat. Third: I tested with Mod F1 1975 by Bazza, without problems. Fourth: I copied all the DATA files, from a standard car, Lotus 72D (original), to each car of the Mod. Fifth: starting from the errors in the loading, I was correcting what the problem was. In the end everything went well, I went to the track, no car crashed. Pole Postion, Jackie Stewart 1m23.XXX, Pole at the Monaco GP in 1972 Emerson Fittipaldi 1m21.4. Difference for the twentieth time in the test, plus or minus 2 seconds. Conclusion, seeing the files that I modified, the files that give problems, are the ones related to the car setup, brakes, suspension, etc. For they cause the car, either to not turn the curves, or to jump a lot. I intend to do the same procedure in Mod F1 1976, which has the same problem in Monaco_76_85. That was it for now.