I tested it this morning in the Nissan 240z-isch or something.
Steps to reproduce:
1 Cruising in 3rd gear 4000 rps.
2 Brake.
3 Press clutch and shift to 2nd gear.
4 Release clutch
5 Do not press the accelerator.
In my real car the revs would adept to the revs from the engine and the second gear I have chosen. The car in this case is propelling the engine, known as engine braking.
In pc2 engine goes to stationary revs. This is not correct. I can reproduce it. A lot of manual cars have this awkward behaviour.
Any tips on what I do "wrong"?
My real life car has done 250000 km. Transmission, clutch, and engine are still in very good condition. I don't overrev in real life, nor do I intend to in my simulations.
I did some tests in the game, and i´m 99% sure the problem with H pattern downshifting has to do with how much you have to travel the clutch before it´s actually engaged. This is an issue with linear pedals like in the G25, the clutch is only engaged in the final 10% of the travel, which means you have to go there, stay there, shift, release, and then start the process again for the next downshift.
But if you do this it´s almost impossible to shift while the clutch is registered by the game as engaged, that´s why we get that feeling like the car is stuck on neutral and the engine is dead.
It´s a shame because almost nobody plays the H pattern cars with manual clutch, so nobody cares to fix this, because it´s only affecting half a dozen people.
You can test for yourself in the game by starting up the car and testing just how early the clutch releases and let´s the car move. It only uses the 10% deeper end of the pedal. This makes some sense in real life, where you can feel the biting point better to know if it´s engaged or not. With a linear pedal this becomes almost impossible to know if the clutch is engaged, because it´s only actually "on" at the very deep end of the pedal travel.
Games like AC also have these different types of features to prevent crazy downshift, but since the biting point of the clutch is way earlier you can downshift properly and the game reads the input and proceeds to give the regular engine brake effect of the downshifted gear.
Clutch sensitivity does not solve this, so it´s something they would need to change it in a patch, just by reading the clutch input as soon as you press the clutch pedal - and not on the very bottom of the pedal as it stands right now.
After being dumbfounded by this since the first time i´ve played, i think i finally figured out what´s causing this, hopefully you guys can test and see if the results are the same.