I have a 92 civic HB. it has the D15 engine. i am wondering what is the biggest direct fit i can throw in. Some people tell me the B16 and others tell me the B18. Thanks
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b20 would be the biggest direct bolt in................

 

B18C 94-97 (GSR)
180Hp 126Trq 10.6 Compression (JDM)

B16A 92-95 (SiR-II)
170Hp 113Trq 10.4 Compression (JDM)

B18B 94-01 (LS)
145Hp 127Trq 9.4 Compression (JDM)

B20B 96-98 (CRV)
146Hp 133Trq 8.8 Compression(JDM)

go with a gsr motor. or if you got the cash, go w/ b18c itr which has 200Hp 134Trq 11.1 Compression(JDM)