The LT4's block and cylinder head are both cast aluminum, as is the intake manifold. The crankshaft and camshaft are forged and billet steel, respectively. Both the LT4 and the LS9 use titanium ...
Like the Gen V LT4, the Gen II variant was a 'hot' version of that generation's LT1 V8, featuring optimized heads, a more aggressive cam, and a higher compression ratio. The changes brought its ...