I know what you mean about fat tyres but the p38 had 255s on and that was just fine in the wet.. you can't tell me that had better handling than a more modern carOnly if your braking through the water. Checking your brakes is a good idea or maybe don't go out in the rain. Being honest there are a few models of land-rover that should not go out in the rain.
I think the wider the tyre the more the impact onto the waters surface giving a bigger reaction.![]()
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