I will have to check on what fan shroud I got from NPD, but I think that's right. So now I know I definitely need to get the correct size fan, and possibly a different clutch assembly once I find out what mine is. I know just adding a fan shroud could fix my problem, but I know my rad. is definitely not a 4 row and since I will probably be adding A/C in the future I want to have complete confidence in my cooling system.
Thanks for your help guys. I was almost brainwashed into wasting a lot more money after reading so many posts on chevelles.com about Alumitech.