Well i jus bought a 89' 5 speed CRX for 350$ runs very good.... needs a new mirror and windsield...but anyway...i need help identfiying the engine type i didnt really have much time to grab the number off the block ....but it said 16 valve and i only seen one cam....im jus wondering if this was stock for any of the years it was made...or did some one put it in? were the crx si's a sohc 16 Valve..thanx fo helpin out