Here in AZ, there isn't E85 in most places.
However, in the Midwest I'd say at least that if not straight alky would be acceptable.

Plates, insurance and basic minimum equipment should be a go.
There are examples of various things that would normally kick it out together, but can be snuck through alone.
Scrub line
Doors (t buckets don't)
DOT tires
wipers/defroster/turn signals/horn