I think the chap si_swift was only saying this tongue in cheek.
(if you closely at his smiley a tongue pops out every now and again
There would be such a difference between the F1s and the P6000's interms of grip that having the 6000's at the back wouldn't really be safe especially since the summer is almost over and slippy days are ahead.
The rear would always lose grip first which wouldn't be exactly confidence inspiring.
I would just let your current tyres wear out (swopping front and back if necc to help simultaneous wearing out) and then replace them as a set.
If you really want to change the balance slightly now, then I would say leave the fronts at the standard pressure, and inflate the rears a few psi above normal.
Obviously drive with caution if you are experimenting.
This difference would only be noticable if you are really loading the tyres up on cornering, and if you aren't doing this sort of driving then don't bother doing it - the car will be more conservatively safe without it especially for slippy conditions.
In general higher pressure actually slightly reduces grip, although for track driving its needed because of the high temperatures and to protect the sidewalls under extreme cornering (that you wouldn't be doing normally on the road).
Originally Posted by lanciafan
Couple of things. Have put pressures up tp 35psi all around. Bit grippier and lighter steering, but overall balance just the same. Have taken heed of tyre advice and the mention of putting F1's on the front and leaving a pair of current P6000's on rear with the aim of loosening the rear end up a little. Why would this work? Are the f1's softer, grippier rubber?
To clarify with you all, am not neccesarily looking for oversteer, but that nice feeling you get when the back end is involoved in the cornering process - you feel it coming around the corner with you.