i am in the same dilema as you. I am running TFS stage 3 port job, cobra intake with lower ported, heads oringed, 24lbs, 65mm, f cam, 306 block with shot peened and polished rods. the speed density works, but adds a lot of drivability problems. If i sit at a light, the fuel will build up as i take off just because it cannot respond as fast as mass air.
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