Originally Posted by
beertestr
Yeah, the 4th Gen's cowl is why gm went to opti off the cam, no room to service a regular SBC dizzy. The truck intake is a lot taller. I am going to run a truck intake on my Caprice for the same reasons you want to (slightly better flow, cheaper/already have it) so I know how you feel. For a 5.3 though, a regular ls1 intake can be used no problem, and are relatively cheap. Ls2s can be had for decent cash, I got mine minus throttle body but with rails and injectors for $200 shipped.
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