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Since the tires & wheels are unidirectional without dismounting & rebalancing the only rotation which can be done by moi in the garage is front to back on the same side. Is there any advantage to doing this?
My original GY Eagles had cupped a little on the front so I put em on the rear and smoothed them out at the strip.:yesnod:
I think it is beneficial to periodically rotate them in this fashion even if you don't race as they tend to wear differently on front and rear. Of course proper inflation, alignment and balance is very important too.
The Main Reason for the swapping from front and rear wheels is to keep the treads on all four tires even wearing. The rear tires tend to wear down much faster than the fronts. Therefore when you put the fronts to the rear, you make the tires with more treadlife catch up with the lower treadlife tire. This is so that you can change all four tires at the same time. Before unidirectional tires, the left and right side wheels would be swapped. This would allow for the tire treads to wear out more evenly, especially if the tire was being unevenly worn on either side of the tire.
I did this routinely on my 91 (275's all way round). I would wear the outer edge on the fronts and the rears would just wear. I got 50,000 out of stock Gatorbacks and 60,000 out of GSC's-and I drove it like a 21 year old (I was).
I think it is very worth while if you put any kind of miles on your car.