Big Block V8 Engine Model Version Comparisons.Big Block V8 Bobtail Engine Replacement Options.8.1L V8 Engine Performance Specifications.Big Block V8 Engine Fastener Torque Specifications.8.2L V8 Engine Mechanical Specifications.8.2L V8 Engine Performance Specifications.7.4L V8 Engine Performance Specifications.Related Mercruiser Big Block V8 Inboard Engine Technical Articles and Information Rather by using our convenient and fast Mercruiser Big V8 Inboard Engine Parts Lookup Catalogs you can shop and buy the parts you need from the convenience of your own home. After General Motors discontinued the 8.1L family of Marine Engines in 2010 Mercruiser developed their family of In-House designed Marine Intent 8.2L Big Block V8 Inboard Engines.īy using PPT's Mercruiser Inboard Engine Parts Catalogs you no longer have to go to the dealership and wait while someone looks up parts for you. The 8.1L Inboard engine was offered in both the 380 Hp version base model as well as the 420 Hp High Output Model. The replacement Big Block V8 Engine was the 8.1L 496 Cu In motor which ran production through around 2010. Several different versions of the 7.4L and 8.2L engines were utilized throughout the years until 2002 when this engine family was discontinued by General Motors. However after the 1990's rolled around the 8.2L 502 Cu In Big Block V8 was introduced. Throughout the 1980's the 7.4L 454 Cu In Big Block V8 was the primary Big Block Inboard Marine Engine offered by Mercruiser. Mercruiser Big Block V8 Inboard (.Read More) Engines date back to the 482 Cu In motors offered in the late 1960's. Serial Number Entry: Search Diagrams by ModelĤ54 MAG. Parts Catalog | Mercruiser Big Block V8 Inboard Engines Search Mercruiser Big Block V8 Inboard Engine Serial Numbers

454 big block engine codes