Further mechanical differences include the LT1's cam-driven water pump, and Optispark ignition, whereas the base 350 V8 engine uses throttle-body ignition.

Further mechanical differences include the LT1's cam-driven water pump, and Optispark ignition, whereas the base 350 V8 engine uses throttle-body ignition. Want the latest in tech and auto trends?

Chevrolet's venerable 350 cubic inch small-block V8 has been supplanted by the LS family of engines, but there are plenty of vendors that sell it in crate form.