Plot: More myths shattered! For decades, street/strip racers have been told not to run nitrous-oxide injection on the most common dual-plane intake manifolds because “you’ll get fuel distribution problems. ” But is it true? We’re here to find out on Engine Masters presented by AMSOIL, where this time we run the most popular intakes with a 175hp nitrous shot and analyze cylinder-to-cylinder air/fuel ratios to discover the facts