The big-block V6 was made from 1960 to 1974 for GMC's 6500-series commercial pickup trucks, and it is still one of the biggest V6 engines ever produced. The big block wasn't a tower of power, but ...

GMC's huge Twin Six V12 gas engine was made to take on its diesel counterparts, ... GM introduced a new family of heavy-duty 60-degree V6 engines with 305 to 478 cubic inches of displacement ...

A 1960 magazine advertisement for the GMC V6 and V12 gasoline and diesel truck engines, touting their cost savings. Search. ... 1960 GMC V6 Is the Greatest Engine Breakthrough Since 1940.

The Detroit-based automaker Wednesday said the 2014 Chevrolet Silverado and GMC Sierra with the all-new 4.3-liter EcoTec3 V6 engine are estimated by the U.S. Environmental Protection Agency to ...

The big-block V6 was made from 1960 to 1974 for GMC's 6500-series commercial pickup trucks, and it is still one of the biggest V6 engines ever produced. The big block wasn't a tower of power, but ...