I just put my 4bbl Pontiac intake from my 68 Firebird engine on my all original 326 2bbl engine. Intake matched up perfectly with the 326 heads and needed no modification at all. I have the original 2bbl Pontiac intake from this 326 as it was given to me by the original owner when I bought the car as he had removed it and installed an Edlebrock intake & carb. combo. I then removed the Edlebrock combo and installed my 68 400 intake & Q-jet.

Granted the Edlebrock combo ran well and I am sure was an upgrade from the Pontiac intake & 2bbl carb. However, when I switched from the Edlebrock combo to the 68 400 intake & Q-jet combo, WOW what a difference. The 326 runs 5x better with the Pontiac 400 4bbl intake and Q-jet 4bbl carb.

I would HIGHLY recommend looking for a Pontiac 4bbl intake and a rebuilt Q-jet if you are looking for originality or more importantly, performance. The only advantage the Edlebrock combo would have is their carbs are a breeze to get running. Simply take it out of the box, bolt it down and go. Whereas a Q-jet may need some tweaking etc.