Mickey Thompson's Chevy powered (with 3-valve cylinder heads) Indy car. The car was a front wheel drive with four wheel steering

The young man in the wheelchair in the photo working on M/T's Indy car in front of the garage in Gsoline Alley is Larry Burton. He built much of the car and was a super mechanic. He contacted polio in his early 20's, never recovered the use of his legs, and passed away in 2016, at the age of 80

https://www.jalopyjournal.com/forum/threads/vintage-shots-from-days-gone-by.428585/page-6080#post-12932082