What is the best thing INDYCAR could do to get more participants in the Indianapolis 500? (poll 6224324)

What is the best thing INDYCAR could do to get more participants in the Indianapolis 500?

Go back to having a sole engine supplier to the series.

Get rid of engine leases altogether and let teams work on their engines.

Have a rulebook that allows a lot more flexibility for the Indianapolis 500 than the other races.

Other

Vote View Results

See this poll on: https://poll.fm/6224324/embed