Article: https://dustrunnersauto.com/gm-ls9-vs...

To put this entire video really simply, the LSA is basically a detuned and slighter weaker version of the LS9 with a smaller supercharged.

So, to answer the question of which one is better? I think it's pretty clear that the LS9 is the better engine. It has a bigger supercharger, better heads, bigger camshaft, better internals, and a better oiling system.

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