Post pics of your 4th gen with BBC
Ill say it again, get the intake to fit your application. IE pick its power curve should match the cam and the cam should match the stall and the gears match the cam and stall, ect ect.
Fail to match everything and it will jus tbe a big motor with no go of very little go.
Engine masters magazine did a test with intakes and heads, the put some old heads on an engine and then swaped in some nice aftermarket aluminum ones and the engine made like 75hp more, no joke.
Its amazing what happens when things are not matched.
