S chassis is a bastard for suspension setup. Some run mega kg/mm springs other run soft.
iiirc JET200 run's 6/4 or 5/4 or something, while Revolution run 10/8 or 11/11.
At the end of the day 'traction' is a myth and people will have differing opinions of what 'loosing traction' really is.
You will always be compromising with a crossover tyre. NT05, AD08, RS3, R1R, RSR. All have their upside and downsides.
I'm on a 255 AD08 and when they are warm and up to temperature (their peak) they still slide around like crazy. I'm at a level now and car is at a level know here more tyre is needed / a sticker tyre. This same thing happened 12 months ago when I moved to a 255 on the front. The car and I moved on and pushed the 235 front tyre passed what it could do.