Originally Posted by mistacee
If you have a Crx that is NOT the engine that came with it stock.The d16z6 came in the 92-95 civic Si/Ex.
Stock 88-91 Crx's came with SOHC NON vtec 1.6's,the d16a6.
Then I must have a D16z6 block and a different SOHC VTEC Head. The guy I bought it from never told me he put a different head on it.