Technical Considering changing tyre aspect ratio

[rossocorsa]

Problem is when you make a chassis that doesn't naturally resist roll and pitch movement well enough, you have to make up for it with stiff springs and dampers, which end up making the ride harsh. This is what happened with the bravo, and with the delta as well as you say (they use the same platform right?). When the chassis design itself(including suspension links) is rigid, it enables the manufacturer to use softer springs and dampers, so you get better comfort while making handling even better at the same time. The giulietta mainly achieved this with the use of the multi-link suspension in the rear instead of the torsion beam suspension of previous fiat group models. That's why one of the most advertised features any OEM mentions with a new platform is how much they increased its rigidity.

I suspect there isn't much wrong with the rigidity of the body shell, whilst the suspension design isn't the very best I still feel that the biggest culprit is the dampers, the delta was available with automatic damping system and apparently the ride I with those is a whole lot better but I still suspect that better suited higher quality normal dampers would also improve it. The mg tf had the same issue to save money mgrover reduced the capacity of the dampers that the engineers developed and made them stiffer to compensate this had the effect to make the damper sort of out of balance compression vs rebound so that the suspension didn't follow the contour of the road well leading to jerkiness. Fitting larger capacity dampers transforms a tf both in ride and in bumpy corner handling