i recently just blew a hole in my b18a1 and i bought a new b1 black put my a1 head on it and now i got it in and trying to start it when i go to start it it lets out white smoke out of the t/b and exhaust ports there is no header on it for now im just trying to start it soo if anyone have an ides lmk it just plain white smoke coming out the manifold and exhaust ports