, joer que tensos que estamos.Créeme, no es muy normal que con un tracción delantera de 150 pencos, le pongas las ruedas que le pongas, le des las luces en curva a un 4x4 de 200
.Amistosamente manifiesto mi discrepancia con esto. Con los pencos de serie la fiera va calzada de primera comunión con los 205/50, buen compromiso entre comportamiento y ride.La 205 es muy poca rueda para los caballos que tiene el coche y creo que el perfil 50 falsea al 4x4 y hasta le hace sufrir mas, en las condiciones que antes comentaba.
Cualquier otra llanta y goma que no sea la de serie es potencialmente dinamita para el tránsfer (esto no es una opinión).
Sobre la moda de poner llantas y patucos bien gordos para 'mejorar enormemente el comportamiento de un deportivo', mi amigo el chino de AutoZine tiene unas palabras muy sabias:
In the past decade, increasing tire's diameter and width is a common trend shared by all car makers. Do you still remember the Lamborghini Countach employed 15in tyres ? Today's most exotic Ferrari, Porsche and Viper have 18 to 19in rubber ! Larger diameter accompany with larger width increase the contact patch area (that is, the area of the tyre contacts with the ground), thus result in more grip. However, this also result in poorer wet road grip because the pressure acting upon the contact patch (that is, the car's weight divided by contact patch area) is reduced thus the tire becomes easier to "float" on the water. Therefore the texture also need to be improved for better water clearance.
Low profile tyres are also fashionable in these years. Since the thickness becomes thinner, it is more resistant to side wall deflection under substantial cornering force. However, this is not much related to grip.
It must be mentioned that wide tyres are not always good. Especially is front tyres, the wider they are, the more resistance generate when they are steered. This create a heavy and insensitive steering feel, also more tyre roar and wear. If you want to modify your car by using wider tyres, always consider the drawback first. In my opinion, most well-sorted European cars have already equipped with the most suitable tyres.
In the past 2 decades, we saw car makers gradually increases understeer in RWD cars, making them more "secure" to drive. Porsche 996 is a good example. Its predecessor 911 used to offer hell a lot of oversteer, now the 996 becomes a very civilised GT.
This is partly due to the market orientation ( it seems the wealthy customers tend to love secure rather than excitement), partly due to the use of wider tyres. In the past 2 decades, tyres of sports cars had been widened for about 50%, in addition to the growth in diameter, the contact patch area had been largely increased. Of course this is intended to increase the grip. However, increased contact patch area means every square inches of the contact patch carries less cornering force, so the tread distort less and the slip angle is reduced.
In my opinion, this trend is quite frustrating to the front engined RWD cars. It makes them having less and less fun to drive, although the increased grip will ultimately improve cornering time. To mid-engined cars, whose rearward weight bias used to create some undesirable oversteer, the adoption of wider tyres could actually improve the handling and driving fun.
