Is the Chevy 3.4L engine the same as the 3.1L?
Is the Chevy 3.4L engine the same as the 3.1L? GM continued to use the same head castings with the smaller water outlets that were originally installed on the ’04-’05 3.1L and 3.4L car engines, but with a couple of differences: Is the GM 3.1L engine still in use? The 3.1L was eventually replaced with various versions of the 3.4L V6. Today, the 3.1L lives on in China where it is being made in various displacements (2.5L, 3.1L and 3.4L) for GM’s Chinese-built Buicks. The larger 3.4L version has been imported into the U.S. since 2005 to power the Chevy...