273 high performance commando engine for sale $1000 obo

I don’t recall exactly because it’s been over 20 years since engine was pulled. I recall around 80k or so. It was never driven in Mn winter and stored in heated garages always.
My dad had meticulously rebuilt 273 piece by piece in early 90s before pulled it out for the 340 trial.
I’ll try to uncover engine for better display but grabbed everything with motor and transferred to my basement after my father passed in late 90s.