Never measured a Chevy LS intake or or even looked at one in person for that matter, but after looking at pictures, the wheels got to turning, wondering if a wedge shaped set of adapters could be made to work? There are literally dozens and dozens of Chevy LS style intakes out there, as opposed to what 4-5 for the 3G crowd, plus the asking prices for a drag pack intake...
Again I have no idea how far off the port window spacing is. Just an idea floating in the space between my ears.