Try a 3.2

loads a fun.
Tryes are the answer, I just swapped cheapo 31" colway at's that wore down in 12,000 miles for same size Cooper at's which aint got the same stick.
Made life very exiting as I'm used to going places at a bit of a lick in my 3.2
Pick a softer compound and they will stick, but expect them to wear.