We may earn a small commission from affiliate links and paid advertisements. Terms
1.)Any 89-91 D-series input shaft will work; as they're the same.
2.) I have the 3rd gear, just need to pull it.
Of course, the DOHC ZC is different from the ZC. The ZC(SOHC) is the same as the Si and DX mainshaft. I don't know about the HF or STD, but if you swap the second gear off the donor transmission(that the input shaft came off of) it should work fine.
<-Running a DOHC ZC transmission with CRX Si countershaft and 92-95 EX differential. ...well, was. 5th was popping out so I threw a stock CRX Si transmission back in there.