What is the maximum tire height for a 308GTB
I have a 1985 308GTB QV. As with most 308's, I fiind that the stock tires do not fill the wheelwells properly and that the gap between the top of the tire and the wheelwell is the only thing that spoils the looks. On my car, there is a 6-7 cm gap between the top of the tire and the wheelwell on all four wheels.
One potential way to compensate is to play with the suspension, but I prefer to avoid that. Another way is to put higher and potentially wider tires on it. I know that we are "not supposed to do this", and I recognise the drawbacks of taking such an aproach. However, I have done it on other cars and it is a a feasible option as long as one remains subtle and doesn't do anything extreme. So, I would like to at least understand better this objective as it relates to a 308..
My current tires are Michelin 220 55 V390 (width = 227mm, height = 642 mm) all around.
I would appreciate all views, insights and experiences on this matter to let me know what is the highest and widest tire that I can reasonably put on the car without changing the original 308 rims or making any other major modifications.
Thanks in advance for your help.