That is a better question for your engine builder – our systems work perfect on both so please choose the manifold that best fits your engine build.
I am currently building a CSB 383 with fitech. Engine should make about 420 horsepower. it’s a street engine. Should I use single or dual plane intake?
The intake design has no effect on how the fuel injection operates. It will work with both of them so you should be selecting the intake based on your engine build and use of the vehicle. If you are saying this is a street engine you would usually want all the bottom end torque you can get which is what a dual plane intake will provide.
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