(Note that BluePrint’s press release states these crate engines ... (4.125-inch stroke, forged 6.125-inch rods); camshaft specs: 0.624-/0.624-inch lift, 239/255 degrees duration, 114-degree LSA ...

the LS3 and LSA are more similar than they are different. Starting with the obvious, they are both 6.2 liter, pushrod V8 engines that share the same 4.065-inch bore and 3.622-inch stroke.

General Motors' LS engines are special, bringing more power with lighter weights to many of the manufacturer's iconic ...