On the back of the Z6 block I see only one sensor (coolant switch?).
I have two sensors on the back of my existing A6 block, (one for oil pressure, and one for the coolant switch.)

Im not certain if the Z6 had the second switch reloaced to the head, but I was planning on using my A6 head.
Im not the best at math, but arent I one sensor short?

 

The sensor on the back of the Z6 block should be the oil pressure sensor. If im not mistaken the coolent switch should be on the thermostat housing of the Z6 (at least i know they are for OBD1 b series). If thats so then you could just use the Z6 thermostat housing. Although im not totally positive that I am correct on this.

 

Thanks for your help and welcome to HMT.

 

DAMN!!!! that's what i like to see from a HMT noob! and he was right!
Gino.... if i ever meet ya, I'm buyin ya a beer!

 

Thanks guys! I've been roaming the boards for a while and decided I might as well try to make myself useful since I've learned so much from here.