for the 298/302 70ft/lbs and the long bolts 80ft/lbs retorque after 2hours run
for the 351W 100ft/lbs and the long bolts 110ft/lbs retorque after 2hours run
make sure the engine is cold when retorquing, use a moly base
oil on the bolt threads when installing heads, this info came from the Edelbrock web site, to find the complete tech sheet go to their site, click on automotive, then click on cylinder heads, look up your heads, get the product number, then on the left hand side of the page go to tech center and click on the series number for your heads (6000 / 60000) then go down the list to find the product number for you heads, click on the number