chevguy
Allow us to tune not only suspension, but also air/fuel mixtures, ignition timings, etc.
im with you on that. also, how about these:
full engine simulation
every part of a cars engine can be tweaked to your hearts content. with the user able to buy additional parts (different filters, cams etc).
part wear and tear (including part failiure)
punish those that like to wreck cars with this handy get out clause. dont look after you car, and expect to pay thousands to repair it. also include a car maintanance option where the car has to be cared for (as in real life).
different types of parts/tyres
not all manufacturers make parts of the same quality. express this in the game with better quality part costing more, but also being more efficient. the same goes for car tyres. have many diffenent types to suit performance and pocket.
consumables
its ridiculous that you only have to buy a set of tyres once and they last forever. the same goes for fuel. have the user refil their tank when it runs out, and replace their tyre when they are worn. this would add another exciting dimension to the game.
realistic clutch
its about time gran turismo had a realistic working clutch. move the reverse button onto the gears for manual drivers, and for automatic drivers, have it work off the brake (like in other racing games). the free button could then be used for the clutch.
suspension settings
instead of having the suspension setup only affect the front or rear wheels, how about if you could setup your car per wheel (ie front left, front right, rear left, and rear right)?
that would be more realistic.
etc. etc