Read more: How To Clean Your Car's Engine Bay: A Step-By-Step Guide The 8.1-liter Vortec V8 from General Motors, also known as the 8100 Vortec, is presumably the last big block V8 engine from the ...

For the truck and SUV market, the Vortec 8100 was from a time when a family hauler didn't have to have 400 horsepower or more to keep up with the Jones'. The least powerful variant of GM's 496 ...