May 17, 2025 #188 JDMeister Forum Moderator May 1, 2021 55,381 26,977 One of the largest gasoline engines ever produced by General Motors: the 702 cubic-inch Twin Six used in GMC trucks of the 1960s. .
One of the largest gasoline engines ever produced by General Motors: the 702 cubic-inch Twin Six used in GMC trucks of the 1960s. .