1981-87 CHEVY SQUAREBODY EDIT V1.0 February 28, 2024 in Cars This is the very good 1981_87 chevy/GMC squarebody made by mrboomnastic, I added new sounds on to it, i hope you all enjoy. Credits: Mrboomnastic edited by farmerjake 3.7/5 - (8 votes) Download mod File File size CKGM1981_87.i3d 305 MB