LS Swap the world!
Found this old article:
www.motortrend.com
Pics of the blazer, love those full-size square bodies.
Found this old article:

1982 Chevy K5 Blazer - LS Engine Swap - Truckin' Magazine
GM’s LS-series engine has taken over the automotive world; it is now a common sight between the fenders of muscle cars, hot rods, planes, but what about trucks?
Pics of the blazer, love those full-size square bodies.