LT4 6.2L Engine Specs: Performance, Bore & Stroke, Cylinder Heads, Cam Specs & More
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
Mailbag: Rebuilding a Chevy 454 for Nitrous Oxide Use
You’ve got questions, we’ve got answers. We work with the Summit Racing tech department to help you tackle your auto-related conundrums. In this week’s Mailbag, we’re rebuilding a big block Chevrolet engine to work with a nitrous oxide system Q: I have a 1973 El Camino with a factory 454 big block. I have updated it with a




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