i have a l28et and i just dopped in my 280z and i put all the parts back together and wont start i have new fuel pump, new fuel injectors, new wiring harness, new ecu, new starter, new battery, new spark plugs&wires, and i know it produce gas inside the engine i can hear the injectors clicking and spraying inside..even though i spray starting fluid still wont start and when i put too much it backfires please help me i don't know how make it run.. i checked my compression is all them above 90psi i think that's good but my car won't start anyone can help me please