Quote:
Originally Posted by Warrens69GMC
The 307 can't breathe due to the tiny valves, big chambers and small cam. The intake and carb will have no noticeable impact.
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Nearly all Mt experience comes with 350's. So going to a 4 barrel q-jet from a 2 barrel. Gave some hp, but also gas mileage due to better fuel control.
So that was what I am trying to replicate