If you are interested History of the cl***, & roller starter still in use in 80s The Link , short Video @ the end https://compe***ionplus.com/the-injected-nitro-funny-car-combination-has-rich-history/
I spent 18 years in that category. In the beginning it was a great place to be. After Brad Anderson started selling turn key drive trains, the money people wrecked it for most of us.