Brian
You are correct and if I recall Conley was selling his engines for around $7,000 US dollars. I to have spent almost 40 yrs building and machining engines from 5 h/p Briggs to 2500 h/p hemi’s to 1800 h/p 6cyl Cummins to 5600h/p locomotive engines both EMD and GE this is all I know and have...