need help with my 240sx

[RWD_Drifter]

ok well im having a little trouble i was wondering i have a 92 dohc and its pulling out a 91 ecu the number is A11-B44 G70 i checked that on jim wolfs website and the person that i bought it from said there was a 95 motor in it i was wondering is there any way that i could varify that the motor is that year and if this could be linked up will why my speedometer is not working??????