How does a 4.3 Vortec long block engine work?
How does a 4.3 Vortec long block engine work? Every 4.3 Vortec block must pass our magnaflux inspection designed detect any microscopic flaws or cracking. Blocks are then thermal cleaned followed by steel micro blasting until they achieve a brilliant appearance. Once a block is fully cleaned, we begin our precision boring and honing process. When did the 4.3 L V6 come out? The 4.3L V6 engine was introduced in the S10, S15, & S10 Blazer in 1988. I believe that the 4.3L V6 block and heads from 1988 to 1995 are fully interchangable. In other words, a 4.3 L...