Vr with no spark

[wide-wheels 0]

I'm hoping someone can shed some light on a problem i have with my VR Corrado.

I got a corrado but it needed the engine replacing due to the previous owner neglecting it. The raddo in question is an M reg ODB2 engined motor

I sourced a good low mileage engine and fitted it in to the raddo. It turns over great. but wont start

The only problem i have now is it wont spark.

There is a live to the coilpack when the ignition is turned on and the earth is good as well.

I have tried some plug leads and different plugs.

I have swapped all the relays and checked fuses

We have swapped the cam shaft sensor and crankshaft sensor.

I have plugged in the Vag com 1552 and no errors are showing.

I have checked all the wires are plugged in ok.

I have even tried an earth lead from the gearbox to the battery just in case but that doesnt help

I'm getting to my wits end now and have almost lost all my hair (i didnt have a lot to start with)

I have the ECU, key and transponder fron them replacement motor which i am thinking of trying next.

Has anyone had this problem before? Please Please help, even beers are on offer for anyone that can fix this dilemma.

cheers in aticipation