Though the dozens of engines in the GM LS and LT families have many similarities, there are significant differences as well—and it’s important to know exactly what those are if you’re upgrading your LS or LT engine for more performance, or planning an LS or LT engine swap. We’re trying to clear up some confusion
This is an engine specification guide for General Motors’ fifth-generation supercharged LT4 engine that launched in 2015. GM has built two different engines designated as the LT4: 1996–1997 LT4 – Gen II, 5.7L, small block 2015–Present LT4 – Gen V, 6.2L, supercharged small block The high-performance 6.2L, supercharged Gen 5 LT4 debuted in the 2015 Chevy Corvette Z06. LT4
This is an engine specification guide for General Motors’ fifth-generation LT1 engine that launched in 2014. GM has built three engines designated as the LT1: 1970-72 – Gen. I, 5.7L, small block (technically, the first-gen. was written as “LT-1”) 1991-97 – Gen. II, 5.7L, small block 2014-present – Gen. V, 6.2L, small block The new LT1 is the Gen.
Stay Connected