OK... Here's the deal. I have an 89 Civic Si. d16a6 engine. I threw a rod. Replacing with d15b1 block. Frankenstein engine.. basically. Here's my question. Will I be able to use a d16a1 head with my d16a6 intake manifold with the d15b1 block and the d16a6 tranny? If this will not work. PleaSe let me know what will!!! I NEED HELP!!!!!!!!