as in my sig im running an explorer intake setup. how much am i leaving on the table opposed to say an edlebrook, or a trickflow. What kind of increase would i get it i switched to a typhoon? thanks!
Even porting the manifold would be a waste. As it sits, you probably have more power to 3500 with your manifold and you give up maybe 5-8 horsepower up top. If you straighten the 1 & 5 runners, you could probably pick up a few of those lost ponies.