I'm trying to start a '93 Loyale with SPFI that has had the heads off.  The problem is that it won't start.  It gets fuel - have seen the injectors spraying in the intake.  The #1 spark plug wire fires a timing light so I think there is spark.  The engine ran rough for a few seconds initially and now won't run.  There have been a few ignitions when I hold the gas pedal all the way down thinking that the problem is that the cylinders are flooded. I'm sure I got the timing belts on correctly - bu