Strip to Street Help Needed

That intake is a single plane designed more for upper mid-range & top end. An Airgap would give you more torque down lower. first things first though. Dial in your initial & total timing as previously mentioned, along with your advance curve and vacuum advance. Be sure it's hooked to manifold vacuum, so it will retard as you open the throttle and load the engine. Also, be certain you don't have any vacuum leaks and have a thermostat.

You will likely benefit greatly from using a wideband A/F meter to adjust mixtures on your carb.