Crx question

[C's 94 InTeGrA]

Aight this is for my buddy. he has a 91 crx. Well when he bought this car it has been wreaked about 5 times and the guy who had it before put a lot into the engine and there has been a motorswap out of it. and me or him have no idea wat kind of motor it has now.. its a single cam 16 valve. everything has been changed and there is no details to say which motor it could be. well there is a guy who is trying to sell a 1.6 si motor out of a 88 crx to him for like 200$. and also a question on the fuel injection..on a 1.5 is it 4 or 1 or on a 1.6 4 or 1?? apprecite it if anyone knows we need to find out pretty quick

[ebpda9]

well look by the bell housing on the engine block and it should have the engine code. it's right next to that rubber piece that lets you view thew timing marks