z12358,
My process is pretty simple. I wash and dry the car with P21S, and then apply Z-5.
I let it sit for about an hour, then remove.
Looks great, and doesn't take a lot of time.
Hope this helps...
Nick
http://www.zainostore.com/Merchant2/merchant.mvc?Screen=PROD&Product_Code=Z-5&Category_Code=Zaino
http://www.p21s.com/products/bis_taw.html