to What have they done 
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Like magpie have told you, it is impossible to make pc2 controller handling just as simple and efficient as it is in pc3, basically because pc1 and 2 were built from the ground up to be managed with a wheel. You cannot filter all that stuff in pc1 and 2 properly in order to achieve good controller handling. You need to re-program the entire handling system to fit well controller, like they have done for pc3. Building everything from the ground up, not just tweaking here and there and applying the filters we know that work in the background in this game.
Well to be fair to old school toca3 racing, I think that game requiered more skill at driving than pc3 does. In toca3 you could still lose your car when being that happy on the throttle as well as when not combining properly with counter-steering. In pc3 you can just.., you know. Let's fly bro It's need for speed time. Let's take that very tight 90º hairpin at 120Km, and of course with handbrake too hohooooo.. like we all do in real life uh?
The game is for me. The fun factor supercedes the other problems with the game. It needs some fixing for sure but if they can get the bugs worked out it is going to be a really good game.
Haven't actually given it a go yet, will try it out in both later if I can. I agree that in PC2 it was great, used it a lot for single-make races.
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Sounds like they dropped the ball with ai which is strange given that it could be set up fairly well in pc2, albeit not consistent across tracks and classes.It definitely makes you feel like a hero. I've got used to the way this thing handles and accepted it for it is, the main thing at the moment thats really bugging me about it is the AI. Lacking any kind of real challenge for 95% of the game andbfor the other 5% they just get NOS on the straights and still have no talent at the corners.
And that is actually for me one of the biggest immersion killers for the game, you either win by 15 seconds or you finish a frustrating 4th as the AI turbo boost down the fast circuits like Hockenheim and Silverstone. Nothing legendary or aggressive about this AI
Actually, with the lack of damage, it reminds me of esrly Gran Turismo, where you could just bounce past the AI by Turn 1 and have zero challenge. The fun is in the drive not the race. Hopefully the AI is something thay can be patched, but not just by making them stupid fast on the straights.
I wasn't going to buy the game anyway after playing it in one's friends like I said many pages prior, but still didn't know about what he talks regarding the transition from understeer to oversteer once you turn your wheel, with this physics ignoring the initial understeer completely and going directly for the oversteer that should come later of course, for both road and competition cars. I mean I felt this thing of course, but wasn't sure as to how explain that.., feeling?, now I get it thanks to his explanation, and yeah he's right. There's no understeer lol.., I mean come on sms. Also, and now I udnerstand better this factor I didn't like to about pc3, forget about terminal oversteer even on road cars if you don't floor the throttle when udnersteering. Terminal understeer when turning the wheel too much was even in pc2 when tyres were very hot. Here that is absent as well from the physics engine.
There's no such thing as mechanical damage. Although the water temperature gauge is working. But nothing else happens. Same for tires. There's no such thing as overheat. There is no tire heat, damage or any kind of degradation. Basically you can drift your car around Green Hell for 99 laps and nothing will ever happen.
The locked core tyre temps are in my view part of the issue, but not the only thing, I've not had a single case of a tyre overheating or being too cold at all in PC3.
To be honest Shift has one of the best damage simulation of all racing games.
