A. the fuel rail also bolts in to the consumption manifold not into your block. and yes You need to use the LS gasoline rail or even the b16a2 fuel rail, whichever you like using.Mar 8, 2012 #three Also relies on the Construct plans...B18B1 engine is perfect for a forced induction set up, even though I do think the B16A2 is better for the N/A set u