how to wire z20let in astra van 1.6

[astra van let]

can any one help, i got a astra van mk4 1.6 8v just got the engine and engine bay loom out, i got a z20let engine and loom to go back in, all i need to know is where the blue loom plug is on the van there are 58 pins, on the z20let loom trere are 90 pins does this plug strait in or do i have to change the dash loom????????? if anyones got any other usefull infrormation about this engine change that would be extremely usfull.

thank you.

[Corsa_LET]

Change the dash loom mate, check my project thread