first thing i have a 84 civic hatch carb then swaped it to the DX d15 : it ran great now doing another swap the DX to the crx hf its all wired now and wants to start but the code is reading #8 flashes TDC i changed out the dissy. ( SI ) its new , so why is it fashing #8 it all should be the same hf and si (exe.)EGR and other hf parts can some one tell me anything about the (TDC) thanx.

 

which ecu are you running?
How bout the intake manifold. If you're running DPFI on a car wired for MPFI with an DP ecu.....Jesus... We need more info before anyone can help you. What parts are there and what have you rewired?