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GM's LS3 Vs. LSA Engine: What's The Difference & Which Is Better For Your Needs?
The LS3 is naturally aspirated, but since the LSA makes use of a 1.9 liter Eaton supercharger, it is often considered a detuned version of the Gen IV LS9 engine found in the Corvette C6 ZR1.
What Does 'LSA' Engine Stand For & Which Cars Have One Under The Hood?
The LSA engine shares many similarities with GM's LS3, but it was designed from top to bottom with quiet performance in mind.