In the next few weeks im going to be dropping my b18c4 into my mark 2 crx which is odbo, but i belive the engine is odb1.

My question is since its only the bottom end being replaced can i run my standard ecu/loom without the need for any adaptors?

The other question is i shall be going boost once this engine is run in, Will Odb1 be better for turning this?

Thanks