LD340 before and after porting numbers.

With your expertise, i guess it shows how solid that as cast intake is. Not to many going to run it with a .650/.700'' cam.


It’s always been a great intake for it’s intended purpose. I have a a decision to make on my sons combo one of these days and it may be the answer. He lives in Colorado so there’s that issue. He has a modified 360 in the car and two 340’s, it’s a four speed street car. Well my first love is porting his Speedmaster heads and adding a 2.055 intake valve and a ported Victor340 intake. Where honestly a set of ported 2.02 heads (290 cfm) with a ported LD340 would be a better combo for him in the environment.