Would any of y'all recommened or use these on your own engine?

I have 2 big blocks here done at hughes. Both are plagued with very bad machine and assembly work. They were engines done for the Duster that was in Mopar muscle feature. The car was a joke. Engines were really bad. The article showed a Dyno run at carlisle. 450 hp out of a 500 inch roller motor here is a pic of the car. I am sure some of you remember the article. The owners name was Luther. I wouldn't let them build a 5 horse briggs