I didn't port match mine, but did similarly.
Stock 68 intake started at about 43lbs and ended up at 27.5lbs without the water crossover
32.5lbs with. It would be 39-40lbs with the HO exhaust crossover included.
For random comparison, an RPM intake was about 17lbs
P4B QJ is about 14lbs
301 4bbl is 30lbs
Stock 71 HO aluminum is 14.5 without exhaust crossover
21.5 with crossover
The HO intake saved about 20lbs to a similar cast iron unit.
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