Can anyone offer some wisdom and experience on these two types of fuel delivery systems. I dont see many aftermarket Multi-Port Fuel Injection projects, but I do see alot of TBI with the popular eastcoast TB for a 4150 Manifold. What are the neg. and pos. to each. While we are on the subject...What are the neg. and pos. to a 4-barrel throttle plate vs. single throttle plate 95mm, 100mm, working with MPI?

thanks in advance for your input