Dyno testing of the new Weiand 8124 intake manifold found an additional 14 peak HP and 13lb/ft torque over brand E - p/n 2121. Average torque was increased by 9.5 and HP by 8.5 from 2,200 to 6,000 RPM! Testing was performed on a 302 with high flow 58cc heads, 268/279 dur/.522 lift Lunati cam P/N 51023, 600 cfm carb & 1-5/8" headers.
