I know someone that spun a bearing on a road track, short block was replaced.
When my 2016 Mustang was stock I snapped a half shaft at the drag strip. Had it replaced under warranty (no issues). Soon after I upgraded them.
I have been running a full time/full E85 tune for over a year. So far, I have had zero issues. Even my 02s on my long tubes still look new.
My car was dyno tuned by very long time and much respected Mustang tuner Lidio, his shop Alternative Auto Performance in Michigan.
If the E85 tune is correct you won't have any trouble with your 02's. I've been running a full E85 tune and headers for over a year, zero problems and my 02's still look brand new (just checked them last week).
NO! When you find a place that has 85 Ethanol or better, fill up some extra cans to have on hand. Best to always test before you fill your car.
VP X85 fuel is always my back up in early spring, until my local gas stations get in the summer blend of E85. Winter blend tests about 79% in Michigan.
Weld Wheels! Yes, they are pricey but worth every penny. They are very light. I had mine powder coated all black. Weld sent me new hologram decals after the powder coating.