A. the fuel rail also bolts to the intake manifold not into your block. and Of course You should use the LS gas rail or the b16a2 gasoline rail, whichever you prefer utilizing.Mar eight, 2012 #3 Also depends on the Construct options...B18B1 engine is perfect for a compelled induction setup, though I do think the B16A2 is better for just a N/A set u