Here's a new one, putting a cheap Amazon turbo on a 225 slant 6, and cutting the 0-60 in half... those only had 145 horsepower and 215 lb-ft of torque stock... for about a 1000 dollars of new parts

https://www.thedrive.com/news/culture/a-120-turbo-cut-this-slant-six-dodge-trucks-0-60-time-in-half