Re: SIdesalad
There are a number of good and easy-to-understand RL damping guides out there, but I believe what we're after here is how the physics in Forza actually differ from RL - and how we can manipulate the settings to take advantage of those in-game shortcomings.
Underdamping is definitely modelled in-game, but you'll have to go very low before you can actually notice it. Overdamping doesn't seem to be as bad as maybe it should, since the effects of bottoming out seem to be minimal at best.
The weird thing is that in Forza medium-low rebound setting seems to have the effect of heavy damping, while a medium-high setting feels like I would expect medium-low damping... this is the main thing I'm having a hard time getting my head around (see the list below)
Effects that I have noticed in FF/FR/RR cars (might be wrong of course)
Very low rebound: Underdamping - Very reactive, but suspension wobbles, bounces and oscillates.
Medium low rebound: Slower load transfer - loss of grip is more gradual. Also decent response.
Medium high rebound: Quicker load transfer - loss of grip is more sudden. Also decent stability.
Very high rebound: Overdamping - Very stable but little response. "Numb" feel, very little noticeable effects of load transfer.
HOWEVER (lol), in most AWD (and certain MR) cars this seems to be a bit turned upside-down... medium low rebound feels quicker and more sudden than medium high (which actually makes more sense compared to the in-game description).
Because of this I tend to use very different damper "strategies" for FR/FF, AWD, MR and RR cars as the settings don't seem to play by the same rules - if that makes sense. I suppose this has something to do with the game's physics but I don't know exactly what makes it so.
GT: PzR Ske