Issue 84 Cover Cars: 1970 Pontiac GTO Custom 2 Door Hardtop Location: Sioux City, Iowa Built By: American Hot Mods Notes: This 1970 GTO Custom 2 Door Hardtop was built by American Hot Mods. The motor and tranny are out of a 2005 GTO with an all aluminum LS2 that has been modified to produce nearly 500 HP and a T56 6-speed manual. The GTO sold on Barret-Jackson Auction for $137,500