In case anyone is wondering why I'm asking. Possibly not but anyway...
Reason behind it is TramLining related, surprise surprise. The causes of TL are said to be too rigid a side wall transmitting road imperfections through the side wall. Thus pushing the steering off line via the rim, which the driver has to correct, which is highly irritating and in extreme cases threatens safety.
I'm wondering if in fact, that the opposite is true. That if the sidewall is too soft, the tread of the tyre can be pulled out of line, where as a stiffer sidewall would keep the tread in line with the wheel and keep the car straighter, and irritating the driver less with less imperfections in direction.
There's seems to be alot of 97 load tyres that behave well with directional stability on this car.
Just a thought any way. 
It could be that 97's misbehave As much as any other tyre. 
Quote above nicked from the Tyre Load thread to avoid clogging it up.
Not Omega related but just thought I'd add to the confusion.
We have two almost identical brand new cars that are only a few weeks old and both are fitted with the same wheels and tyres. They are both the same model and both have 225/35/19 on the front and 255/30/19 on the rears. However, due to slightly different spec level, one sits about an inch higher at the wheel arch height to the other one. The slightly higher one has a very slight tendency to be knocked off-line by road imperfections whereas the lower one is totally unaffected by the same stretch of road.
So, two almost identical cars, both the same model shape, both with bullet hard suspension, both with the same chassis and wheels and tyres but with different driving characteristics.
Changing wheels and tyres from a tramlining Omega and fitting non-tramlining wheels and tyres is great if it cures the tramlining car but the example above goes to show how difficult it can be to find a resolve.
As an aside, I'm running Goodyear Eagle F1 Assy 2 on the Elite Estate. I don't drive it much these days and when I do I'm in a daze but I seem to recall that it does need the odd steering correction now and again, but certainly nothing serious and certainly nothing to prevent me from pressing on. I run 32psi front and 33psi on the rears. It's an Elite so it's like driving an airbed.
Edit:
Damn, I was sure I'd posted this in the tramling thread.
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Topic: Tyres suitable for omega (Read 25658 times)