I wish ya luck and hope it works out for you.
I've been painting cars for 30yrs and can only and will only tell you of my experiance. You can scuff the base down but will atleast have to wipe down with a watered down rag a tac-rag by itself will not be enough and it will stick there is no hardner in the reducer like PPG had or Sherwin Williams. I know first hand. You can de-nib and be alright. As for pushing the window before clearing I really don't know I have never wanted to push my luck once you loose your ass on a job because of de-laming you learn real quick, and I done that twice and swore to never do that again. My de-lam issues were corrected before they left the shop if that makes a differance to it sticking. I just never pushed the recommendations of the manuf..
Dave
I've been painting cars for 30yrs and can only and will only tell you of my experiance. You can scuff the base down but will atleast have to wipe down with a watered down rag a tac-rag by itself will not be enough and it will stick there is no hardner in the reducer like PPG had or Sherwin Williams. I know first hand. You can de-nib and be alright. As for pushing the window before clearing I really don't know I have never wanted to push my luck once you loose your ass on a job because of de-laming you learn real quick, and I done that twice and swore to never do that again. My de-lam issues were corrected before they left the shop if that makes a differance to it sticking. I just never pushed the recommendations of the manuf..
Dave