924s crank no start...PLEASE HELP

[ggrecian]

1987 924s running nice with the exception of a mis caused by a very loud vacuum leak.ran the car for months with vacuum leak.diagnosed the loud leak at the first intake manifold gasket.so i remove fuel rail.and intake manifold.replaced all 4 gaskets.put it all back together now crank no start.replaced distributer cap.rotor button.plugs. wires .injectors.dme relay.used dme jumper method as well.replaced battery..i have a tach bounce when cranking.36 psi at the rail when cranking.have spark to each spark plug.still crank no start.tried noid light on injector electrical plugs.no sign of light or pulse of any kind...another interesting dynamic..tried spraying starting fluid in air box...doesnt suck it up when cranking as expected..have speed and reference sensor on the way here tomorrow but i have a tach bounce so dont think it will fix.what else could it b?please help!!!!dont think it is dme computer because it was running fine for months when i shut it down to fix the vacuum leak.any suggested are appreciated