I have found the information at these two links to be helpful.

http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm1104.htm

http://www.stovebolt.com/techtips/bodywork/ad_hood_alignment.html

If you believe in prayer, exercise that belief often and fervently.

Along with prayer, or without it, a wide variety of exotic words/phrases are also helpful.