ok guys i am posting my first thread ever so cut me a lil slack..but what i have is two preludes a 93 si..came with h23 and 5 speed..but i got no motor with car just five speed tranny..and yesterday i picked up a 95 prelude with a f22b dohc..non vtec with auto tranny..so now i do know there is no knock sensor on the f22b..and there is on the h23..so thats a instant code right there..but my real concern is what kinda of ecu should i use..im not to familiar with those aspects of the build...so a recap..f22b with h23 tranny and putting in 93 si..with h23 harness and ecu..so any tips or links to help would be greatly appreciated..now please dont tell me to buy a h22 vtec or h23 this is what i have and im gonna make it work so please only helpful info would be nice.