69 383 Performance

Here's a good article on 383's http://www.hotrod.com/how-to/engine/mopp-1205-383-big-block-engine-build/ I presume your using an automatic - Stall speed on the torque converter -- single or dual plane intake -- up you stall speed and use a dual plane part two http://www.hotrod.com/how-to/engine/mopp-1206-383-big-block-engine-build-part-2/