well found the problem with my 99 2.3. turns out the block is my problem,i thought after shop said head was done already and the possibility of bolts might've been used again without replacing them.i thought i might get lucky with buying new bolts and gasket but to no avail same problem oil still mixing with antifreeze so finally yanked motor for replacement should be getting one today with 81000mls on it,have to do this quick before old man winter really sets in. also can anyone tell me whats the difference between 99 accord 2.3 vtec and acura 2.3vtec