While I can’t speak to the quality of the stream, if you don’t want to pay for a VPN service to watch the IMSA tv stream you can get a 14 day free trial of Instacart+ and activate peacock Premium as a benefit for free.
You will still have ads which IMSA tv does not but hey… it’s free 
The Opera browser has a free built-in VPN…I’ll be watching the IMSA TV YouTube stream.
NordVPN is doing 7-day free trial through Google Play and they do 30-day gaurenteed refunds.
Advertising a free trial for 24hrs of torture by commercials is wild… VPN or nothing
I edited my comment btw