New to the gasser world

Hey how are ya all doing my name is shafer martinez im from brigham city Utah i recently bought a 77 F-150 regular cab 2WD from my girlfriends grandpa it has the 351 modified in it at the moment, but i got a 429 for free from a friend and a c6 tranny this motor has the dove 3? heads on it i have tried to do some looking around to find out the specs on the heads but all of the posts i have found are not to helpful. i am new to the gasser i have been way into diesel motors for the past years and want to try something new!

welcome to the site !!!!