Top Definition
The most reliable, longest lasting gasoline engine in existance. Often used in good cars and makes a great conversion for datsuns, also used in camaros and other sports cars and sedans, also can be found in light trucks and some towing vehicles.
Lets go race that civic because I know I will win cause I have a chevy small block.

Yeah she has a small block in her.

by Kassim503 July 22, 2006
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