y8 b7 mini my swap what dizzy do i use? im putting it in to a eg obd1.

 

D15B7, bolts up to a Y7, Y8 head, and obviously plugs in.

 

I am using the y8 head with the z1 block ( obd1 eg ) can I use my z1 dizzy?

 

Nope, the Z1 is completely different, as is the Z6.

 

Correct

Just so you're aware though you're dropping your compression down quite low using that Y8 head on a Z1 block, might be ok if you're planning to boost, but I wouldn't do it if you plan to stay naturally aspirated.