Need help with RWD stabilization

So RWD cars are a bit of trouble for me. I cannot figure out how to stabilize the back end of the car (I do have throttle control). Also, this next question is kinda for all the cars in the game; what parts of the car do I need to adjust to get rid of too much oversteer?

Try raising the diff decel

If you go to the main page of this particular forum (tuners garage) there is a post called “tuning in FM6”. It’s been a big help to just about everyone who’s ever read it. The oversteer could be several different things and/or a combination of things and actually it kind of matters where and when you are getting the oversteer. Give that post a read when you get a chance, you’ll be glad you did. I copy and pasted it to a folder I have on this laptop for quick reference

oversteer could be a lot of things. it depends on what youre doing too. there is a lot of quick fixes for it too. that’s what I used to do in the other forzas. just get peoples cars and tune them for a few days. it might help with the car in question too. different vehicles have different needs

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So I am rather new to tuning but I think Blf has said it best. The biggest help for me is Toe. I tend to want to make front turn-in less sensitive as it tends to want snap the back end around. Turn many test lap and try to make sure you are consistent to figure out what to fix.

Really depends on when it oversteers - on throttle/ off throttle / midcorner/ corner entry/ corner exit…
Diff setting help out a lot concentrate on decel if its off throttle and accel if its on throttle
From stock setup this is almost the first thing I change then run everything as is and get a feel for what the car likes to be

  • also I find on more powerful cars a bit of negative toe on the rear helps the car stabilize the rear - makes it so the rear wants to follow the front end.

Right now I’m tuning my 1965 mustang GT, and that car over steers on absolutely EVERYTHING. Even with the slightest amount of throttle will make the car break traction from the back during editing corners with throttle, and the slightest little touch on the analog stick will make it start drifting

If the car is misbehaving pretty much everywhere, to me that’s a clear sign of suspension being too stiff. That’s got to be fixed first because everything else will make no significant improvement. Does the car also lock up just as easily during braking?

1965 Mustang GT, I think, is a relatively light car. And it’s old = a lot of chassis flex. If you have the roll cage added, you can stiffen up the suspension to a point, but the car is still ‘flexible’. If you don’t have the roll cage added, then the suspension has to be even more softer for the springs to do the work.

I am going to guess that the spring rate for this car should be around 300~350 range with the roll cage.

You’ll get much better help if you post your actual settings. Without that info, it’s like shooting in the dark, eh?

You may want to try balancing it with the build. Wider rear tires, narrower front to fix an oversteer problem.