5.3 to ls2 intake manifold
Yes the LS2 is down about 15 hp vs. the LS6 on a 6.0L engine at the 480 hp level, but the difference on a 5.3L build will be less, unless you plan to spin it past 7K rpm.
The LS2 is a very clean looking intake and I kept the LS4 fuel rails and used the LS2 Injectors and Throttle body.
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That said, I'd say that is a reasonable conclusion that the LS2 intake would work well on a smaller cube motor. Another good choice OP is the Dorman LS2 intake. They are ridiculously priced new ($921) but I've seen a few used ones go for about the same as an LS6 intake.














