Heres a link to Edelbrocks web site. Scroll down to the 2nd page and read #6 on the left side of the page where it says torque intake bolts to 15-18 ft/lbs.
http://edelbrock.r-catalog.com/ImgVD/EDE/3821Inst.pdf
Factory Ford intake bolt torque specs are a little bit higher at 23-25 ft/lbs.
What torque specs did they give you with the intake?