GM's LS1 vs. LS2 engine: What's the difference between these muscle car motors?

The GM LS1 and LS2 are the successors of Chevy's small block V8 engine. While they share a lot in common, there are some ...
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GM Engines Are Still Failing, And The US Government Wants To Know Why

The engine troubles for General Motors aren't stopping anytime soon, it seems. In January, the National Highway Traffic Safety Administration (NHTSA PDF) launched an investigation into engine failure ...