I set bars on top and bottom to assist the manifold and preserve it all in line. as they taper I'd ribs placed on the top so a hose does not slip off. Unplug inventory harness from all engine-sensors and parts like injectors and distributor. Set up dummy resistor-loads on https://4age20vitbs13215.estate-blog.com/33759629/the-smart-trick-of-4a-ge-engine-for-sale-that-nobody-is-discussing