the b18b is a direct bolt on. everything from the b18b and b18b1 are interchangable. unless the manifold has been fabbed using a b16 mani making it visually look like it wont bolt up, your mechanic is an idiot.
you should of done the swap yourself. its just remove and replace.
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[email protected] psi si- I voted for the Terminator for Gov.
95 HB- B16a2- SC34@12psi
WTB: USDM B16a2 or B16a3 complete short block. pm is the key.
FS: B series InlinePro cast mani, PnH RC 550s, and Hondata S2b. pm me.