Clarification to 12298, previously I was regularly getting 3.8s that eventually creeped up to 3.9s (but the handling was superb) as the tires wore down. With the fine-tuned front-end setup the 3.8s were significantly more frequent (with reliable handling) on a range of worn rear tire sizes.
"... get on your bad motor scooter and ride!"
Sammy with Montrose